Hyper-V Update List for Windows Server 2008

Applies To: Windows Server 2008

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.

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 (https://go.microsoft.com/fwlink/?LinkId=183395).

Comprehensive list of Hyper-V updates

Knowledge Base Article Name Date Required? File Name Applies to Integration Services Version Availability Link

KB950050

”Hyper-V Update for Windows Server 2008 x64 Edition” (This is the RTM version of Hyper-V.)

6/26/2008

Yes.

Windows6.0-KB950050-x64.msu

Windows Server 2008

6.0.6001.18016

Windows Update, Download Center

https://go.microsoft.com/fwlink/?LinkId=139066

KB950182

“A computer that is running an x86-based version of Windows Server 2008 or an x86-based version of Windows Vista may use fewer processors than expected if the number of cores on a socket is not a power of 2”

4/11/2008

Yes, if you want to start an x86-based virtual machine running Windows Server 2008 on a computer that uses a 6-core processor.

Windows6.0-KB950182-x86.msu

Windows Server 2008

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=139067

KB951308

“Increased functionality and virtual machine control in the Windows Server 2008 Failover Cluster Management console for the Hyper-V role”

9/11/2008

Yes, for Failover Clustering.

Windows6.0-KB951308-v2-x64.msu

Windows Server 2008

Not Applicable

Download Center

https://go.microsoft.com/fwlink/?LinkID=125397

KB951636

“Hyper-V Language Pack Update for Windows Server 2008”

6/26/2008

Yes, if you are using the additional languages offered.

Windows6.0-KB951636-x86.msu

Windows Server 2008

Not Applicable

Download Center

https://go.microsoft.com/fwlink/?LinkId=139069

KB952627

“Description of the Windows Vista Service Pack 1 Management Tools update for the release version of Hyper-V” (Install this to enable remote management of a computer running Windows Server 2008 with the Hyper-V role installed.)

6/26/2008

Yes, to enable remote management using the Hyper-V Manager Microsoft Management Console (MMC) snap-in.

Varies

Windows Server 2008

Not Applicable

Download Center

https://go.microsoft.com/fwlink/?LinkID=122189

KB953585

“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"”

9/4/2008

Yes, if you are using a computer running Windows Server 2008 with Non-Uniform Memory Access (NUMA) architecture.

Windows6.0-KB953585-x64.msu

Windows Server 2008

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=139068

KB953828

“The NLB host does not converge as expected on Windows Server 2008 Hyper-V virtual machines”

6/25/2008

Yes, if you are using Network Load Balancing (NLB).

Winows6.0-KB953828-x64.msu

Windows Server 2008

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=139070

KB956589

“Hyper-V Update for Windows Server 2008 x64 Edition” (Install this to resolve potential issues when you manage Hyper-V with System Center Virtual Machine Manager (VMM) 2008.)

9/23/2008

Yes, if you are using System Center VMM 2008 to manage your environment.

Windows6.0-KB956589-x64.msu

Windows Server 2008

Not Applicable

Download Center

https://go.microsoft.com/fwlink/?LinkId=139611

KB956697

“Update for Windows Server 2008 x64 Edition” (Install this to resolve an issue in which the Hyper-V Volume Shadow Copy Service (VSS) does not back up virtual machines properly.)

9/8/2008

Yes, if the Volume Shadow Copy Service (VSS) is utilized for backups.

Windows6.0-KB956697-x64.msu

Windows Server 2008

Not Applicable

Windows Update, Download Center

https://go.microsoft.com/fwlink/?LinkId=139612

KB956710

“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.)

9/23/08

Yes, if the management operating system has more than 16 logical processors.

Windows6.0-KB956710-v2-x64.msu

Windows Server 2008

6.0.6001.22258

Download Center

https://go.microsoft.com/fwlink/?LinkId=139613

KB956774

“Update for Windows Server 2008 x64 Edition” (Install this to resolve the scenario where a Background Intelligent Transfer Service (BITS) client cannot handle files that have paths that contain the volume GUID in Windows Server 2008.)

9/23/08

Yes, if GUIDs are used instead of a drive letter or mount point.

Windows6.0-KB956774-x64.msu

Windows Server 2008

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=139614

KB957967

“Stop error message on a Windows Server 2008-based computer that has the Hyper-V role installed: "STOP 0x0000001A"”

10/8/2008

Yes.

Windows6.0-KB957967-x64.msu

Windows Server 2008 SP2

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=139615

KB958065

“You cannot configure a Hyper-V virtual machine by using Windows Server 2008 Failover Clustering when the virtual machine uses a storage device that is managed by a third-party clustered file system or a third-party replication solution”

11/3/2008

Yes, if you are using a non-Microsoft clustered file system or non-Microsoft replication solutions.

Windows6.0-KB958065-v2-x64.msu

Windows Server 2008

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=139616

KB958184

“Virtual machine backup operations fail in Windows Server 2008 when Hyper-V virtual machine files are saved on a volume that is mounted on a failover cluster by using a volume GUID”

11/5/2008

Yes, when backing up a volume that is mounted using a volume GUID.

Windows6.0-KB958184-x64.msu

Windows Server 2008 SP2

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkID=133348

KB960578

“The IRET and IRETD instructions do not support the Nested Task (NT) flag in protected mode in a Windows Server 2008 Hyper-V environment”

12/17/2008

Yes, if you have a program that uses the IRET (interrupt return) or IRETD (interrupt return double) instruction.

Windows6.0-KB960578-x64.msu

Windows Server 2008 SP2

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=145170

KB959962

“An update is available for Windows Server 2008-based computers to address issues with backing up and restoring Hyper-V virtual machines”

1/16/2009

Yes, when backing up virtual machines.

Windows6.0-KB959962-v3-x64.msu

Windows Server 2008 SP2

6.0.6001.22352

Hotfix

https://go.microsoft.com/fwlink/?LinkId=145171

KB963709

“The AltGr key does not work on a Linux virtual machine on a Windows Server 2008-based server that has the Hyper-V role enabled”

3/03/2009

Yes, if you are using a German keyboard.

Windows6.0-KB963709-x64.msu

Windows Server 2008 SP2

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=151938

KB967902

“You cannot connect to a virtual machine when the Windows Server 2008 Hyper-V VMMS certificate has expired”

3/24/2009

Yes.

Windows6.0-KB967902-x64.msu

Windows Server 2008 SP2

Not Applicable

Windows Update, Download Center, Hotfix

https://go.microsoft.com/fwlink/?LinkId=151937

KB970203

“Hyper-V Management Tools update for Windows Vista Service Pack 2” (Install this for fixes for the Hyper-V Management Tools on computers that are running Windows Vista Service Pack 2).

6/23/2009

Yes, if you are using the Hyper-V Manager Microsoft Management Console (MMC) snap-in.

Windows6.0-KB970203-x86.msu Windows6.0-KB970203-x64.msu

Windows Vista SP2

Not Applicable

Download Center

https://go.microsoft.com/fwlink/?LinkId=178382

KB972045

“Slow system response together with many other performance issues occur on a virtualization server that is running Windows Server 2008 and that has the Hyper-V role installed”

7/14/2009

No.

Windows6.0-KB972045-x64.msu

Windows Server 2008, Windows Server 2008 SP2

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=178381

KB971677

“A Hyper-V differencing disk that you create in Windows Server 2008 R2 cannot be used in Windows Server 2008”

8/5/2009

Yes, if you have differencing disks that were created in Windows Server 2008 R2 and want to use them in Windows Server 2008.

Windows6.0-KB971677-x64.msu

Windows Server 2008, Windows Server 2008 SP2

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkId=178380

KB975925

“A hotfix is available that addresses the issues that occur when you perform a host-level backup of a Hyper-V VM on a computer that is running Windows Server 2008”

12/1/2009

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

Windows6.0-KB975925-x64.msu

Windows Server 2008 SP2

6.0.6002.22233

Hotfix

https://go.microsoft.com/fwlink/?LinkId=179090

KB977894

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

2/9/2010

Yes.

Windows6.0-KB977894-x64.msu Windows6.1-KB977894-x64.msu

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

Not Applicable

Security bulletin

https://go.microsoft.com/fwlink/?LinkId=193214

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”

4/26/2010

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

n/a

Windows Server 2008 SP2

Not Applicable

Hotfix

https://go.microsoft.com/fwlink/?LinkID=193221