Comprehensive List of Hyper-V Updates

Comprehensive List of Hyper-V Updat...

Hyper-V Update List

Updated: January 20, 2010

Applies To: Windows Server 2008, Windows Server 2008 R2

The following table shows the list of software updates and hotfixes for Hyper-V. 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.

Comprehensive list of Hyper-V updates

Knowledge Base Article	Name	Date	Required?	File Name	Applies to	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	Windows Update, Download Center	http://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	Hotfix	http://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	Download Center	http://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	Download Center	http://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	Download Center	http://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	Hotfix	http://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	Hotfix	http://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	Download Center	http://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	Windows Update, Download Center	http://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	Download Center	http://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	Hotfix	http://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	Hotfix	http://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	Hotfix	http://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	Hotfix	http://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	Hotfix	http://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	Hotfix	http://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	Hotfix	http://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	Windows Update, Download Center, Hotfix	http://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	Download Center	http://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	Hotfix	http://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	Hotfix	http://go.microsoft.com/fwlink/?LinkId=178380
KB974598	“You receive a "Stop 0x0000007E" error on the first restart after you enable Hyper-V on a Windows Server 2008 R2-based computer”‘	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.	Windows6.1-KB974598-x64.msu	Windows Server 2008 R2	Hotfix	http://go.microsoft.com/fwlink/?LinkId=181559
KB975354	“A Hyper-V update rollup package is available for a computer that is running Windows Server 2008 R2”	11/10/2009	Yes, if you are running a backup or restore solution.	Windows6.1-KB975354-v2-x64.msu Windows6.1-KB975354-ia64.msu Windows6.1-KB975354-x86.msu	Windows Server 2008 R2	Hotfix	http://go.microsoft.com/fwlink/?LinkId=179092
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"	11/20/2009	Yes, if you are running Hyper-V on the affected hardware.	Windows6.1-KB975530-v3-x64.msu	Windows Server 2008 R2	Download Center, Hotfix	http://go.microsoft.com/fwlink/?LinkId=179091
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	Hotfix	http://go.microsoft.com/fwlink/?LinkId=179090

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Windows Updates, Virtualization KBs and Tools

tonysoper | Edit | Show History

You can also find Windows Server and Client updates, virtualization KBs and useful tools here as well:
957311 Recommended hotfixes for Windows Server 2008-based server clusters
http://support.microsoft.com/default.aspx?scid=kb;EN-US;957311
958124 A wmiprvse.exe process may leak memory when a WMI notification query is used heavily on a Windows Server 2008-based or Windows Vista-based computer. http://support.microsoft.com/default.aspx?scid=kb;EN-US;958124
954563 Memory corruption may occur with the Windows Management Instrumentation (WMI) service on a computer that is running Windows Server 2008 or Windows Vista Service Pack 1. http://support.microsoft.com/default.aspx?scid=kb;EN-US;954563
959766 Windows Server 2008 Hyper-V systems restart unexpectedly, and you receive a 0x1000007E Stop error code when you mount a VHD file. http://support.microsoft.com/kb/959766
956697 Windows Server 2008 Hyper-V VSS writer is not used during a backup job because of corrupted or invalid virtual machine configuration files http://technet.microsoft.com/en-us/library/dd430893.aspx
958065 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.
http://support.microsoft.com/default.aspx?scid=kb;EN-US;958065
959962 An update is available for Windows Server 2008-based computers to address issues with backing up and restoring Hyper-V virtual machines. http://support.microsoft.com/kb/959962
961661 Video performance may decrease when a Windows Server 2008-based computer has the Hyper-V role enabled and an accelerated display adapter installed. http://support.microsoft.com/default.aspx/kb/961661
961804 Creating or starting a Hyper-V virtual machine on Windows Server 2008 or Microsoft Hyper-V Server 2008 may fail with error: 0x800704C8. http://support.microsoft.com/default.aspx/kb/961804
950792 When you try to enable, disable, or update Hyper-V technology, the process stops responding. http://support.microsoft.com/kb/950792
958664 Windows Server system software that is not supported in a Hyper-V virtual machine environment. http://support.microsoft.com/kb/958664
299631 Failover behavior on clusters of three or more nodes. http://support.microsoft.com/default.aspx/kb/299631
833167 A Volume Shadow Copy Service (VSS) update package is available for Windows Server 2003. http://technet.microsoft.com/en-us/library/dd430893.aspx
958662 How to back up Hyper-V virtual machines from the parent partition on a Windows Server 2008-based computer by using Windows Server Backup http://support.microsoft.com/default.aspx/kb/958662
975921 You may be unable to perform certain disk-related operations after an exception when a hardware provider tries to create a snapshot in Windows Server 2008 R2 or in Windows 7 http://support.microsoft.com/kb/975921

Tools

Remote Server Administration Tools for Windows 7 and Windows Server 2008 R2: http://www.microsoft.com/downloads/details.aspx?FamilyID=7d2f6ad7-656b-4313-a005-4e344e43997d
KB890830 Microsoft Windows Malicious Software Removal Tool. http://www.microsoft.com/downloads/details.aspx?FamilyId=AD724AE0-E72D-4F54-9AB3-75B8EB148356
KB941314 Microsoft Remote Server Administration Tools for Windows Vista. http://www.microsoft.com/downloads/details.aspx?FamilyID=9ff6e897-23ce-4a36-b7fc-d52065de9960

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VMM Updates, KB, Tools and MP

tonysoper ... tonyso | Edit | Show History

You can also find SCVMM updates here: http://blogs.technet.com/jonjor/archive/2008/12/29/updates-updates-scvmm-hyper-v-cluster.aspx

962941 Recommended hotfixes for System Center Virtual Machine Manager 2008 http://support.microsoft.com/kb/962941
956589 Description of the Hyper-V update for issues that may occur when you manage the Hyper-V role on the 64-bit editions of Windows Server 2008 by using SCVMM
http://support.microsoft.com/default.aspx?scid=kb;EN-US;956589
956774 A Background Intelligent Transfer Service (BITS) client cannot handle files that have paths that contain the volume GUID in Windows Server 2008 or in Windows Vista
http://support.microsoft.com/default.aspx?scid=kb;EN-US;956774942372 When you try to create a template from a Windows Server 2003 Service Pack 2-based virtual machine in System Center Virtual Machine Manager 2007, the job fails. http://support.microsoft.com/default.aspx/kb/942372
942372 When you try to create a template from a Windows Server 2003 Service Pack 2-based virtual machine in System Center Virtual Machine Manager 2007, the job fails. http://support.microsoft.com/default.aspx/kb/942372
954563 Memory corruption may occur with the Windows Management Instrumentation (WMI) service on a computer that is running Windows Server 2008 or Windows Vista Service Pack 1. http://support.microsoft.com/default.aspx?scid=kb;EN-US;954563
958124 A wmiprvse.exe process may leak memory when a WMI notification query is used heavily on a Windows Server 2008-based or Windows Vista-based computer.
http://support.microsoft.com/default.aspx?scid=kb;EN-US;958124
955805 Certain applications become very slow on a Windows Server 2008-based or Windows Vista SP1-based computer when a certificate with SIA extension is installed
http://support.microsoft.com/default.aspx?scid=kb;EN-US;955805
956697 Windows Server 2008 Hyper-V VSS writer is not used during a backup job because of corrupted or invalid virtual machine configuration files
http://support.microsoft.com/default.aspx?scid=kb;EN-US;956697
959978 Error message when you back up a Windows Server 2003-based virtual machine on a Windows Server 2008 Hyper-V-based computer: "GetWriterStatus FAILED for Selected writer [Microsoft Hyper-V VSS Writer], writer is in state [9] [VSS_WS_FAILED_AT_FREEZE]"
http://support.microsoft.com/default.aspx?scid=kb;EN-US;959978
958184 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. http://support.microsoft.com/default.aspx?scid=kb;EN-US;958184
The System Center Virtual Machine Manager (VMM) 2008 Management Pack for System Center Operations Manager 2007.
http://www.microsoft.com/downloads/details.aspx?FamilyID=d6d5cddd-4ec8-4e3c-8ab1-102ec99c257
961983 Hotfix Rollup package for System Center Virtual Machine Manager 2008: April 14th, 2009
http://support.microsoft.com/kb/961983/en-us
- Supersedes 959596 Description of the System Center Virtual Machine Manager 2008 update to address physical to virtual (P2V) issues
  http://support.microsoft.com/kb/959596

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VSC and VPC Updates

tonysoper | Edit | Show History

You can also find VirtualPC and Virtual Server Updates here:

956124 Microsoft Virtual Server 2005 R2 SP1 Update. http://www.microsoft.com/downloads/details.aspx?FamilyID=886876b7-e17c-4429-85da-f623506c5f2c
941125 The Virtual Server service may stop responding when the service is starting if one or more of the virtual machines are configured to automatically start when the Virtual Server service starts. http://support.microsoft.com/kb/941125

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DPM Updates

tonysoper | Edit | Show History

You can also DPM/VSS Updates here:

960038 You receive a "0x0000007E" Stop error on Windows Server 2008-based computers that host Hyper-V virtual machines when you use the Hyper-V writer to back up virtual machines. http://support.microsoft.com/kb/960038
959962 KB959962 is scheduled to release in January 2009, it enables online protection of Hyper-V guest machines. Until the update is available, virtual machines can be protected by configuring them for offline backup within each machines’ Integration Components service settings. Open the Settings window for the virtual machine and select Integration Services in the left pane. Clear the check box for Backup (volume snapshot) service and click OK. If you have set the DWORD AllowOffline registry key under HKEY_LOCAL_MACHINE\Software\Microsoft\Microsoft Data Protection Manager\Agent make sure the value is not zero (0).. http://technet.microsoft.com/en-us/library/dd347840.aspx

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Hyper-V Updates In Flight

tonysoper ... Pronichkin | Edit | Show History

KB975925 is incorrectly listed as R2, it should be applies to WIndows Server 2008 SP2. The correction is in the publication pipleine.

//Fixed

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SP2 includes previous patches

tonysoper | Edit | Show History

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: http://go.microsoft.com/fwlink/?LinkId=143706

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Post Windows Server 2008 R2 RTM Hyper-V patches

cedward ... Pronichkin | Edit | Show History

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

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

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Separation of Windows updates and Hotfix for Hyper-V R2

Hans Vredevoort ... tonysoper | Edit | Show History

I would like to see separate lists for Hyper-V R2 updates and hotfixes
Possibly even a subset for Hyper-V R2 and DPM2010 required hotfixes

Currently:
KB975354 - VSS Backup of Hyper-V VM's with DPM2010
KB974909 - The Network Connection of a running Hyper-V virtual machine is lost under heavy traffice on a Windows Server 2008 R2-based computer
KB975921 - You may be unable to perform certain disk-related operations after an exception when a hardware provider tries to create a snapshot in Windows Server 2008 R2 or in Windows 7

>>Hans, thanks for your suggestion. We have begun the process of putting up a separate page for R2 updates. We will post a notice here and on blogs/twitter accounts when the new page goes live.

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Updates in flight

tonysoper ... Pronichkin | Edit | Show History

A content update is in process to correct the error above that KB975925 applies to Windows Server 2008 R2. This fix only applies to Windows Server 2008.

//Fixed. (I wish we could delete obsolete comments here)

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