List for Windows Server 2012 R2 Servers with Update (clean install ISO)

Applies To: Hyper-V Servers based on Windows Server 2012 R2 with Update

 

Note: The latest Hyper-V service packs, updates, and hotfixes for Windows Server 2012 are listed here

in chronological order with most recent updates placed at the top.

 

Note:

These updates and hotfixes can help avoid some known issues and may save you a support call.

A hotfix is intended to correct only the problem that is described in the article. You should not apply

the hotfix if you have not seen the symptoms.

 

Note: A catch 22, do you install it to try preventing the problem from occurring or do you only install I

if you see the problem and have an outage?

 

Note: Some updates are required only under certain circumstances, as noted in the table.

 

Note: On this link you can find a tool to help you identify which hotfixes and updates are installed

and missing

 

Note: Microsoft enterprise users now have until August 2014, to move to the 'Update' versions of

Windows Server 2012 R2 in order to continue to receive future fixes and updates.

 

Note: You can check with msinfo32.exe that the Hardware Abstraction Lay is version 6.3.9600.17031.

 

WSUS 3.2 issue with KB2919355:

Windows Update Client does not scan against WSUS 3.0 SP2 if HTTPS is configured and TLS 1.2 is not enabled

Veeam Backup & Recovery issue with KB2919355:

Veeam Rapidly Fixes Host Level VSS Backup for Hyper-V after KB 2919355 (WS2012 R2 Update)

Updated version of KB2919355 fixing some known issues:

https://support.microsoft.com/kb/2919355/en-us

System Center 2012 R2 support for the April 2014 Windows Server 2012 R2 Update

http://support.microsoft.com/kb/2949669/en-us?sd=rss&spid=13859

 

Date

KB Article

Recommended?

OS

Type

17 Nov 14 KB3000850: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: November 2014  Yes (important) W8.1U
WS 2012 R2U
WU

WSUS

Catalog

DL Center

13 Oct 14 KB2995388: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: October 2014  Yes (important) W8.1U
WS 2012 R2U
WU

WSUS

Catalog

DL Center

09  Sept  14 KB2984006: Windows RT 8.1,Windows 8.1, and Windows Server  2012 R2 update rollup: September 2014  Yes (important) W8.1U
WS 2012 R2U
WU

WSUS

Catalog

DL Center

12 Aug 14 KB2975719:Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: August 2014
 Yes (Important) W8.1U
WS 2012 R2U
WU

WSUS

Catalog

DL Center

 20 Jun 14 KB 2962409: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: June 2014  Yes (Important)  W8.1U
WS 2012 R2U
WU

WSUS

Catalog

DL Center

 18 Jun 14 ​KB 2955164: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014  Yes (Important)  W8.1U
WS 2012 R2U
WU

WSUS

Catalog

DL Center

 18 Jun 14

KB 2966407: Backing up virtual machines fails when using the CSV writer after installation of update 2919355 in Windows

 Yes, if you are using a backup solution and it has been affected

W8.1U

WS2012 R2U

 

 Hotfix

16 Apr 14

KB 2919355: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014 (Updated)

Yes, addresses serveral problems with KB 2919355 in ISO

 

Fixes for known issues:

KB2939087

KB2956283

KB2959977

KB2957390

 

W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center

9 Apr 14

KB 2929869 - CSV snapshot file is corrupted when you create some files on the live volume in Windows

Yes, if using Hyper-V clusters with CSV

WS2012 R2U

Hotfix

2 Apr 14

KB 2919355: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014

 

Updated version

Windows Server 2012 R2 with Update ISO contains an older version of KB2919355. See updated version dated 16 April 2014.

Yes (Important)

Includes:

KB2905249

KB2919371

KB2937220

KB2938772

KB2939471

KB2949621

 

WS2012 R2U

Included

14 Mar 14

KB 2919442: A servicing stack update is available for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2: March 2014

Yes, required for KB2919355

Included

Included

12 Mar 14

KB 2928680: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: March 2014

Yes (Important)

W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center

11 Mar 14

KB 2919394: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: February 2014

Yes (Important)

W8.1

WS2012 R2U

WU

WSUS

Catalog

DL Center

 

 

Hyper-V: Update and Hotfix List for Windows Server 2012 R2 Servers which were installed NOT using the new April ISO with Update included

 

Applies To: Hyper-V Servers based on Windows Server 2012 R2

 

Note: On this link you can find a tool to help you identify which hotfixes and updates are installed and missing

 

 

Date

KB Article

Recommended?

OS

Type

17 Nov 14 KB3000850: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: November 2014  Yes (Important) W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center 

 13 Oct 14 KB2995388: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: October 2014  Yes (Important) W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center

 09 Sept 14 KB2984006: Windows RT 8.1,Windows 8.1, and Windows Server  2012 R2 update rollup: September 2014  Yes (Important) W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center 

12 Aug 14 KB2975719:Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: August 2014  Yes (Important) W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center

 20 Jun 14 KB 2962409: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: June 2014  Yes (Important) W8.1U

WS2012 R2U

 WU

WSUS

Catalog

DL Center

 18 Jun 14 ​KB 2955164: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014  Yes (Important) W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center

 18 Jun 14

KB 2966407:Backing up virtual machines fails when using the CSV writer after installation of update 2919355 in Windows

 Yes, if you are using a backup solution and it has been affected

W8.1U

WS2012 R2U

 Hotfix

16 Apr 14

KB 2919355: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014 (Updated)

Yes, addresses serveral problems with KB 2919355 in ISO

 

Fixes for known issues:

KB2939087

KB2956283

KB2959977

KB2957390

 

W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center

9 Apr 14

KB 2929869 - CSV snapshot file is corrupted when you create some files on the live volume in Windows

Yes, if using Hyper-V clusters with CSV

WS2012 R2U

Hotfix

14 Mar 14

KB 2919442: A servicing stack update is available for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2: March 2014

Yes, required for KB2919355

Included

Included

12 Mar 14

KB 2928680: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: March 2014

Yes (Important)

W8.1U

WS2012 R2U

WU

WSUS

Catalog

DL Center

11 Mar 14

KB 2919394: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: February 2014

Yes (Important)

W8.1

WS2012 R2

WU

WSUS

Catalog

DL Center

21 Feb 14

KB 2911106: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: January 2014

Yes (Important)

 

Includes:

KB 2914218

W8.1

WS2012 R2

WU

WSUS

Catalog

DL Center

19 Feb 14

 

 

KB 2903939: Windows Server 2012 R2 update rollup: December 2013

 

Yes (Important)

Install on all Hyper-V hosts, supporting storage servers

Includes:

KB 2911134

KB 2911804

W8.1

WS2012 R2

WU

WSUS

Catalog

DL Center

10 Feb 14

KB 2902821 A virtual machine that is configured to use the DLC protocol does not connect to an SNA host on Hyper-V Server 2012 or Hyper-V Server 2012 R2

Yes, if a VM does not connect to SNA network via DLC protocol

WS2012 R2

Hotfix

 

15 Jan 14

KB 2913695: OffloadWrite is doing PrepareForCriticalIo for the whole VHD in a Windows Server 2012 or Windows Server 2012 R2 Hyper-V host

Yes

W8.1

WS2012 R2

Hotfix

15 Jan 14

KB 2913659: Windows Server 2012 R2-based Hyper-V server crashes when network traffic passes through a virtual switch

Yes, if your hosts crashes with VMQ enabled

WS2012 R2

Hotfix

10 Dec 13

KB 2887595: Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: November 2013

Yes (Important)

Includes:

KB 2898514

KB 2901101

KB 2906956

KB 2908174

W8.1

WS2012 R2

WU

WSUS

Catalog

DL Center

10 Dec 13

KB 2894032: Clustered virtual machine cannot access LUNs over a Synthetic Fibre Channel after you perform live migration on Windows Server 2012 or Windows Server 2012 R2-based Hyper-V hosts

Yes, if you use Synthetic Fiber Channel for VMs

WS2012 R2

Hotfix

17 Oct 13

KB 2884846: Windows 8.1 and Windows Server 2012 R2 update rollup: October 2013

Yes (Important)

Includes:

KB 2898742

W8.1

WS2012 R2

WU

WSUS

Catalog

DL Center

19 Feb 13

KB 2883200: Windows 8 Client and Windows Server 2012 General Availability Update Rollup

 

Yes, install on all Hyper-V hosts, supporting storage servers and guests.

W8.1

WS2012 R2

WU

WSUS

Catalog

DL Center