Hyper-V 2008 R2: Update List

http://social.technet.microsoft.com/wiki/contents/articles/1349.hyper-v-2008-r2-update-list.aspx

Hyper-V 2008 R2: Update List

Note: This article is based on Hyper-V 2.0, this updates listed do not apply to Hyper-V 3.0 (Server 2012)

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

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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 forHyper-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 ishttp://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 thelist 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
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	Yes, if you are running a backup or restore solution.	6.1.7600.20542
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.			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	No
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			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.
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.
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
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.
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.
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			Windows Server 2008 R2
KB2223005: “The network connection is lost on a Hyper-V virtual machine”             (http://support.microsoft.com/kb/2223005 Published on 8/12/2010		6.1.7600.20778
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
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
KB2345316: "MS10-102: Vulnerability in Hyper-V could allow denial of service" (http://support.microsoft.com/kb/2345316 Published on 12/14/2010
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
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
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		6.1.7601.17514		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			Windows Server 2008 R2 SP1
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			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			Windows Server 2008 R2, Windows Server 2008 R2  SP1
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
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			Windows Server 2008 R2, Windows Server 2008 R2 SP1
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
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 access" (http://support.microsoft.com/kb/2494016 Published on 5/3/2011	Yes, if the issue applies to you.	N/A
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
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
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
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	Yes, if you are running Hyper-V on an AMD processor that supports the AVX feature
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”
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
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
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
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				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
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
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
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
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
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
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
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
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
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
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
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
2740390: "Hypervisor does not provide timer services correctly on a Windows 2008 R2-based Hyper-V server" (http://support.microsoft.com/kb/2740390
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			Windows Server 2008 R2 , Windows Server 2008 R2 SP1
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
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