Hyper-V: Update List for Windows Server 2008 R2

Richard Mueller — Tue, 16 Apr 2013 01:58:12 GMT

Current Revision posted to TechNet Articles by Richard Mueller on 4/15/2013 6:58:12 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: April 10, 2013

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Additional pages have been created for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2) and for Hyper-V in Windows Server 2012. A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

(This wiki page is part of a pilot program to remove topics such as this one from the TechNet and MSDN libraries and move them to the wiki. Why not leave this on the Library? Customers asked for an RSS feed so that they can get a notification when the list is updated and a new update is released. The RSS feed for this wiki article is http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx.)

The following table shows the list of software updates and hotfixes for Hyper-V in Windows Server 2008 R2. Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Other IC version numbers related to KBs are listed with the KB in the table below for your reference.

If you are looking just for the recent updates, see List of Hyper-V Packages Updated After the Release of Windows Server 2008 R2 Service Pack 1 (SP1).

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

KB974598: “You receive a "Stop 0x0000007E" error on the first restart after you enable Hyper-V on a Windows Server 2008 R2-based computer”

(http://support.microsoft.com/kb/974598)

Published on 10/1/2009

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

KB974909: "The network connection of a running Hyper-V virtual machine is lost under heavy outgoing network traffic on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/974909)

Published on 10/21/2009

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

KB975530: “Stop error message on an Intel Xeon 5500 series processor-based computer that is running Windows Server 2008 R2 and that has the Hyper-V role installed: "0x00000101 - CLOCK_WATCHDOG_TIMEOUT"

(http://support.microsoft.com/kb/975530)

Published on 11/20/2009

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

KB974672: “Virtual machines stop responding (hang) during startup and the Vmms.exe process crashes on a Windows Server 2008 R2 computer that has the Hyper-V role installed“

(http://support.microsoft.com/kb/974672)

Published on 10/14/2009

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

KB981618: “The computer stops responding or restarts during the Hyper-V Live Migration process in Windows Server 2008 R2” (relates to AMD Errata 383)

(http://support.microsoft.com/kb/981618)

Published on 3/27/2010

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

KB981836: “Network connectivity for a Windows Server 2003-based Hyper-V virtual machine is lost temporarily in Windows Server 2008 R2”

(http://support.microsoft.com/kb/981836)

Published on 4/28/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

KB981791: “"STOP: 0x0000001a" error message on a computer that has an Intel Westmere processor together with the Hyper-V role installed on Windows Server 2008 or on Windows Server 2008 R2”

(http://support.microsoft.com/kb/981791)

Published on 5/5/2010

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

KB982210: "Startup time increases or hangs at the logon “Welcome” screen if you frequently backup Hyper-V virtual machines on a Windows Server 2008 R2 system."

(http://support.microsoft.com/kb/982210)

Published on 11/24/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

KB2496089: "The Hyper-V Virtual Machine Management service stops responding intermittently when the service is stopped in Windows Server 2008 R2"

(http://support.microsoft.com/kb/2496089)

Published on 2/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2263829: "The network connection of a running Hyper-V virtual machine may be lost under heavy outgoing network traffic on a computer that is running Windows Server 2008 R2 SP1"

(http://support.microsoft.com/kb/2263829)

Published on 4/5/2011

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2517374: "You cannot start virtual machines on a computer that is running Windows Server 2008 R2 and on which a CPU is installed that supports the AVX feature"

(http://support.microsoft.com/kb/2517374)

Published on 4/5/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2494016: "Stop error 0x0000007a occurs on a virtual machine that is running on a Windows Server 2008 R2-based failover cluster with a cluster shared volume, and the state of the CSV is switched to redirected acces"

(http://support.microsoft.com/kb/2494016)

Published on 5/3/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2614122: “Windows Server 2008 R2-based computer may stop responding when dynamic VHDs that are created on the computer experience high I/O activity”

(http://support.microsoft.com/kb/2614122)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2636573: “FIX: The guest operating system may crash when you perform a live migration of Hyper-V virtual machines in a Windows Server 2008 R2 environment”

(http://support.microsoft.com/kb/2636573)

Published on 1/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

KB2662288: "A differencing VHD file that is created by using Microsoft iSCSI Software Target 3.3 becomes corrupted in Windows Server 2008 R2 or in Windows 7"

(http://support.microsoft.com/kb/2662288)

Published on 2/16/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2587660: "Memory dump file is generated very slowly on a Hyper-V virtual machine that uses Dynamic Memory when the Maximum RAM setting is over 4 GB in Windows Server 2008 R2"

(http://support.microsoft.com/kb/2587660)

Published on 2/16/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2661530: "The whole backup operation fails if one out of several virtual machines on a Hyper-V server cannot be backed up in Windows Server 2008 R2"

(http://support.microsoft.com/kb/2661530)

Published on 2/16/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2666703: "You cannot restore a virtual machine that has a semicolon in its name or in its directory path on a Windows Server 2008 R2 SP1-based server"

(http://support.microsoft.com/kb/2666703)

Published on 3/14/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2698672: "Pointer in a Linux guest operating system does not work correctly when you rotate the wheel button on the mouse in Windows Server 2008 R2"

(http://support.microsoft.com/kb/2698672)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711771: "Incorrect available space is displayed in a Linux Hyper-V virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711771)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711774: "AltGr key does not work in a Red Hat Linux virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711774)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2712156: "AVX instructions do not work in a virtual machine on a Windows Server 2008 R2-based computer that has an AMD CPU which supports the AVX feature"

(http://support.microsoft.com/kb/2712156)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

2734056: "Alt Gr key does not work on a Red Hat Linux virtual machine after you install the Hyper-V role on a computer that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2734056)

Published on 8/15/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

2739143: "Windows 7-based or Windows Server 2008 R2-based computer crashes when you run a guest operating system that has multiple virtual CPUs"

(http://support.microsoft.com/kb/2739143)

Published on 9/12/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2744129: "You cannot run a Windows 8-based or Windows Server 2012-based virtual machine in Windows Server 2008 or in Windows Server 2008 R2"

(http://support.microsoft.com/kb/2744129)

Published on 10/10/2012

Yes

N/A

Windows Server 2008 R2 , Windows Server 2008 R2 SP1

Download Center, Windows Update

2752183: "You cannot migrate a Hyper-V virtual machine from a non-Bulldozer-based computer to a Bulldozer-based computer in Windows Server 2008 R2"

(http://support.microsoft.com/kb/2752183)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2755221: "You receive more DHCP logs on a DHCP server than expected after you create a virtual network on a computer that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2755221)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Kevin Ledman — Wed, 10 Apr 2013 15:50:30 GMT

Revision 102 posted to TechNet Articles by Kevin Ledman on 4/10/2013 8:50:30 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: April 10, 2013

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711771: "Incorrect available space is displayed in a Linux Hyper-V virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711771)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711774: "AltGr key does not work in a Red Hat Linux virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711774)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 , Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Richard Mueller — Fri, 15 Feb 2013 19:27:00 GMT

Revision 101 posted to TechNet Articles by Richard Mueller on 2/15/2013 11:27:00 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: February 4, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711771: "Incorrect available space is displayed in a Linux Hyper-V virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711771)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711774: "AltGr key does not work in a Red Hat Linux virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711774)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 , Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

Kevin Ledman — Mon, 04 Feb 2013 16:37:17 GMT

Revision 100 posted to TechNet Articles by Kevin Ledman on 2/4/2013 8:37:17 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: February 4, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711771: "Incorrect available space is displayed in a Linux Hyper-V virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711771)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711774: "AltGr key does not work in a Red Hat Linux virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711774)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 , Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

Kevin Ledman — Thu, 01 Nov 2012 18:48:05 GMT

Revision 99 posted to TechNet Articles by Kevin Ledman on 11/1/2012 11:48:05 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: November 1, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711771: "Incorrect available space is displayed in a Linux Hyper-V virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711771)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711774: "AltGr key does not work in a Red Hat Linux virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711774)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server"

(http://support.microsoft.com/kb/2740390)

Published on 10/10/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 , Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

Jeff Patterson - MSFT — Mon, 23 Jul 2012 18:25:26 GMT

Revision 98 posted to TechNet Articles by Jeff Patterson - MSFT on 7/23/2012 11:25:26 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: July 23, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711771: "Incorrect available space is displayed in a Linux Hyper-V virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711771)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2711774: "AltGr key does not work in a Red Hat Linux virtual machine on a Windows Server 2008 R2-based computer"

(http://support.microsoft.com/kb/2711774)

Published on 6/13/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

R.Alikhani — Sat, 07 Jul 2012 19:43:33 GMT

Revision 97 posted to TechNet Articles by R.Alikhani on 7/7/2012 12:43:33 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: May 22, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Tue, 22 May 2012 19:42:56 GMT

Revision 96 posted to TechNet Articles by Jeff Patterson - MSFT on 5/22/2012 12:42:56 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: May 22, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2668084: "Virtual machine is restored in the Saved state incorrectly on a Hyper-V server that is running Windows Server 2008 R2"

(http://support.microsoft.com/kb/2668084)

Published on 5/9/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Tue, 08 May 2012 22:48:30 GMT

Revision 95 posted to TechNet Articles by Jeff Patterson - MSFT on 5/8/2012 3:48:30 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: May 8, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Published on 4/11/2012

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Pronichkin — Mon, 23 Apr 2012 01:24:49 GMT

Revision 94 posted to TechNet Articles by Pronichkin on 4/22/2012 6:24:49 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: March 20, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2665347: “You cannot connect to a virtual machine by using the Hyper-V Manager MMC snap-in in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2665347)

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

hotfix

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Wed, 21 Mar 2012 01:57:11 GMT

Revision 93 posted to TechNet Articles by Jeff Patterson - MSFT on 3/20/2012 6:57:11 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: March 20, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Ed Price - MSFT — Tue, 13 Mar 2012 05:38:44 GMT

Revision 92 posted to TechNet Articles by Ed Price - MSFT on 3/12/2012 10:38:44 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: February 16, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Thu, 16 Feb 2012 18:02:31 GMT

Revision 91 posted to TechNet Articles by Jeff Patterson - MSFT on 2/16/2012 10:02:31 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: February 16, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Thu, 16 Feb 2012 18:00:31 GMT

Revision 90 posted to TechNet Articles by Jeff Patterson - MSFT on 2/16/2012 10:00:31 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694: “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Download Center, Windows Update

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

Pronichkin — Thu, 16 Feb 2012 16:38:18 GMT

Revision 89 posted to TechNet Articles by Pronichkin on 2/16/2012 8:38:18 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694 “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2636573 “FIX: The guest operating system may crash when you perform a live migration of Hyper-V virtual machines in a Windows Server 2008 R2 environment”

(http://support.microsoft.com/kb/2636573)

Published on 1/10/2012

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Download Center, Windows Update

KB2662288 "A differencing VHD file that is created by using Microsoft iSCSI Software Target 3.3 becomes corrupted in Windows Server 2008 R2 or in Windows 7"

http://support.microsoft.com/kb/2662288

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Hotfix

KB2587660 "Memory dump file is generated very slowly on a Hyper-V virtual machine that uses Dynamic Memory when the Maximum RAM setting is over 4 GB in Windows Server 2008 R2"

http://support.microsoft.com/kb/2587660

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Hotfix

KB2661530 "The whole backup operation fails if one out of several virtual machines on a Hyper-V server cannot be backed up in Windows Server 2008 R2"

http://support.microsoft.com/kb/2661530

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Hotfix

Hyper-V: Update List for Windows Server 2008 R2

tonysoper_MSFT — Wed, 25 Jan 2012 18:13:48 GMT

Revision 88 posted to TechNet Articles by tonysoper_MSFT on 1/25/2012 10:13:48 AM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694 “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Download Center, Windows Update

Hyper-V: Update List for Windows Server 2008 R2

tonysoper_MSFT — Tue, 24 Jan 2012 21:44:08 GMT

Revision 87 posted to TechNet Articles by tonysoper_MSFT on 1/24/2012 1:44:08 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694 “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Download Center, Windows Update

968703 "Microsoft Support Policy for NIC Teaming with Hyper-V"(http://support.microsoft.com/default.aspx?scid=kb;EN-US;968703)
Last Reviewed 1/17/2012

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Microsoft Support

Hyper-V: Update List for Windows Server 2008 R2

TejasJ — Thu, 12 Jan 2012 06:51:38 GMT

Revision 86 posted to TechNet Articles by TejasJ on 1/11/2012 10:51:38 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694 “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Download Center, Windows Update

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Tue, 10 Jan 2012 20:48:15 GMT

Revision 85 posted to TechNet Articles by Jeff Patterson - MSFT on 1/10/2012 12:48:15 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694 “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Download Center, Windows Update

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Tue, 10 Jan 2012 20:42:17 GMT

Revision 84 posted to TechNet Articles by Jeff Patterson - MSFT on 1/10/2012 12:42:17 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on 10/13/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694 “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on 10/20/2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Download Center, Windows Update

Hyper-V: Update List for Windows Server 2008 R2

Jeff Patterson - MSFT — Tue, 10 Jan 2012 20:37:36 GMT

Revision 83 posted to TechNet Articles by Jeff Patterson - MSFT on 1/10/2012 12:37:36 PM

The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2008 R2 are listed here in chronological order.

Last Updated: January 10, 2012

You can subscribe to updates for this page using RSS: http://social.technet.microsoft.com/wiki/contents/articles/hyper-v-update-list-for-windows-server-2008-r2/rss.aspx

Updates that are available on Windows Update are indicated, as well as the download location for those that are available at the Microsoft Download Center. These updates and hotfixes can help avoid some known issues and may save you a support call.

Note: Some updates are required only under certain circumstances, as noted in the table. Also, you may want to see the list of updates for Hyper-V in Windows Server 2008 (which includes updates for Windows Server 2008 Service Pack 2)(http://go.microsoft.com/fwlink/?LinkId=183322). A hotfix is intended to correct only the problem that is described in the article. You should not apply the hotfix if you have net seen the symptoms.

Originally published: May 26, 2010 at: http://technet.microsoft.com/en-us/library/ff394763%28WS.10%29.aspx

Applies To: Windows Server 2008 R2

In some cases, the version number of the Integration Services (also known as Integration Components) has changed. The IC version number for the RTM version of Windows Server 2008 is 6.0.6001.17101.

The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.

The IC version number for Windows Server 2008 R2 SP1 is 6.1.7601.17514.

Comprehensive list of Hyper-V R2 updates

KB Article and Date Published

Required?

IC Version

Applies to:

Availability

Yes, if you encounter this error and your server uses a “C-state” (lower power state) that is supported by the processor, but is not supported by Hyper-V.

N/A

Windows Server 2008 R2

Hotfix

Yes

N/A

Windows Server 2008 R2

Hotfix

KB975354: “A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/975354)

Published on 10/21/2009

Yes, if you are running a backup or restore solution.

6.1.7600.20542

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on the affected hardware.

N/A

Windows Server 2008 R2

Download Center, Hotfix

N/A

Windows Server 2008 R2

Hotfix

KB977894: “MS10-010: Vulnerability in Windows Server 2008 Hyper-V could allow denial of service”

(http://support.microsoft.com/kb/977894)

Published on 2/9/2010

Yes

N/A

Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 R2

Security Bulletin

KB980856: “Stop error in Windows Server 2008 R2: "0x000000CA PNP_DETECTED_FATAL_ERROR"”

(http://support.microsoft.com/kb/980856)

Published on 3/12/2010

Yes, if you store VHDs on non-PNP disks.

N/A

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on AMD processors.

N/A

Windows Server 2008 R2

Hotfix

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20683

Windows Server 2008 R2

Hotfix

Yes, if you are running Hyper-V on Intel Westmere processors.

N/A

Windows Server 2008 R2

Hotfix

KB2133637: “The computer stops responding at startup in Windows Server 2008 R2 if you enable the Hyper-V role and if you have more than 512 GB of RAM”

(http://support.microsoft.com/kb/2133637)

Published on 6/17/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2230887: “Hotfix: Hyper-V Dynamic Memory does not work on a Windows Server 2008 Standard Edition or Windows Web Server 2008 virtual machine (VM)”

(http://support.microsoft.com/kb/2230887)

Published on 7/5/2010

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2223005: “The network connection is lost on a Hyper-V virtual machine”

(http://support.microsoft.com/kb/2223005)

Published on 8/12/2010

Yes, if the server running Hyper-V has a virtual machine that is running Windows Server 2003.

6.1.7600.20778

Windows Server 2008 R2

Hotfix

KB2264080: “An update rollup package for the Hyper-V role in Windows Server 2008 R2: August 24, 2010”

(http://support.microsoft.com/kb/2264080)

Published on 8/24/2010

Yes

N/A

Windows Server 2008 R2

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service"

(http://support.microsoft.com/kb/2345316)

Published on 12/14/2010

Yes

N/A

Windows Server 2008 R2

Security Bulletin

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2

Hotfix

KB2485986: "An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2"

(http://support.microsoft.com/kb/2485986)

Published on 2/24/2011

Yes

N/A

Windows Server 2008 R2

Hotfix

KB976932: "Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2"

(http://support.microsoft.com/kb/976932)

Published on 3/15/2011

Yes

6.1.7601.17514

Windows Server 2008 R2

Download Center

KB2519946: “Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2519946)

Published on 3/23/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes

N/A

Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2517329: “Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors”

(http://support.microsoft.com/kb/2517329)

Published on 4/14/2011

Yes, if you are running Hyper-V on Intel Westmere or Sandy Bridge processors.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2523676: “GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2523676)

Published on 4/19/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2534356: “Some CPU cores are parked while other active CPU cores have a heavy workload in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2534356)

Published on 4/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2521348: "A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to "Offline All""

(http://support.microsoft.com/kb/2521348)

Published on 4/27/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2525835: “MS11-047: Vulnerability in Microsoft Hyper-V could cause denial of service: June 14, 2011”

(http://support.microsoft.com/kb/2525835)

Published on 6/14/2011

Yes

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Security Bulletin

KB2550569: “"0x20001" Stop error when you start a Linux VM in Windows Server 2008 R2 SP1”

(http://support.microsoft.com/kb/2550569)

Published on 6/26/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2 SP1

Hotfix

KB2547551: “Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2547551)

Published on 8/11/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2568088: “Virtual machine does not start on a computer that has an AMD CPU that supports the AVX feature and that is running Windows Server 2008 R2”

(http://support.microsoft.com/kb/2568088)

Published on 8/16/2011

Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2526776: “An update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2”

(http://support.microsoft.com/kb/2526776)

Published on 9/14/2011

Yes, if the issue applies to you.

N/A

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2586470: “A saved virtual machine crashes on resume when it hits a debugging breakpoint in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2586470)

Published on October 13, 2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

KB2608694 “You cannot operate one or more virtual machines in Windows Server 2008 R2”

(http://support.microsoft.com/kb/2608694)

Published on October 20, 2011

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2, Windows Server 2008 R2 SP1

Hotfix

Yes, if the issue applies to you.

n/a

Windows Server 2008 R2 SP1

Download Center, Windows Update

Hyper-V: Update List for Windows Server 2008 R2

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2 (en-US)

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also

Hyper-V: Update List for Windows Server 2008 R2

Comprehensive list of Hyper-V R2 updates

See Also