Originally published: May 26, 2010 at:
Applies To: Windows Server 2008
For Windows Server 2008 R2 update list see:
Hyper-V: Update List for Windows Server 2008 R2
The following table shows the list of software updates and hotfixes for Hyper-V in Windows Server 2008. 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.
(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
Note Some updates are required only under certain circumstances, as noted in the table. The updates for Windows Server 2008 Service Pack 2 (SP2) are applied automatically with the service pack, and do not need to be applied again. Also,
you may want to see the
list of updates for Hyper-V in Windows Server 2008 R2 (http://go.microsoft.com/fwlink/?LinkId=183395).
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 RTM is 6.0.6001.17101.
The IC version number for Windows Server 2008 SP2 is 6.0.6002.18005
The IC version number for Windows Server 2008 R2 is 6.1.7600.16385.
The IC version number for Windows Server 2008 R2 SP1 (Beta) is 6.1.7601.16562.
Other IC version numbers related to KBs are listed with the KB in the table below for your reference.
“Increased functionality and virtual machine control in the Windows Server 2008 Failover Cluster Management console for the Hyper-V role”
“Error message when you try to start a Hyper-V virtual machine on a Windows Server 2008-based or Windows Vista-based computer that uses the NUMA architecture: "An error occurred while attempting to change the state of virtual machine VMNAME"”
“Update for Windows Server 2008 x64 Edition” (Install this to enable the Hyper-V role to support up to 24 logical processors and 192 virtual machines.)
DPM/VSS Updates here:
SCVMM updates here:
Community Content :
Post Windows Server 2008 R2 RTM Hyper-V patches
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"
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.
Windows Updates, Virtualization KBs and Tools
You can also find Windows Server and Client updates, virtualization KBs and useful tools here as well:
SP2 includes previous patches
The page that lists all the updates above that are included in SP2 is at:
http://technet.microsoft.com/en-us/library/dd335033(WS.10).aspx, or you can DL the excel spreadsheet at:
KB980081: A computer that is running an x64-based version of Windows Server 2008 crashes
New Hotfix for Windows Server 2008 Service Pack 2: KB980081: A computer that is running an x64-based version of Windows Server 2008 crashes (http://support.microsoft.com/kb/980081)