Article ID: 2908415 - View products that this article applies to.
Important The hotfix that corresponds to KB 2908415 has been included with the hotfix KB 2878635, which contains all fixes that were previously included in KB 2908415.
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Symptoms

Consider the following scenario:
  • You have a Windows Server 2012 Hyper-V host server.
  • You have the server in a cluster environment, and you use cluster shared volumes.
  • You try to back up a virtual machine (VM).

In this scenario, you may find that the cluster shared volumes go offline, and resource failover occurs on the other cluster nodes. Then, other VMs also go offline, or the Cluster service stops.

Cause

This problem occurs when there are many snapshots in the VM. This causes the Plug and Play (PnP) functionality on the host to be overwhelmed, and other critical cluster activity cannot finish.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have Service Pack 1 for Windows 7 or Windows Server 2008 R2 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

The hotfix that corresponds to KB 2908415 has been included with the hotfix KB 2878635, which contains all fixes that were previously included in KB 2908415. You should use the hotfix KB 2878635 to fix the issues described in KB 2908415. For more information, click the following article number to view the article in the Microsoft Knowledge Base: 
2878635 Update is available that improves the resiliency of the cloud service provider in Windows Server 2012: December 2013

File information

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The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8 and Windows Server 2012 file information and notes

Important Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
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    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows 8 and Windows Server 2012RTMGDR
    6.2.920 0.20 xxxWindows 8 and Windows Server 2012RTMLDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8
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File nameFile versionFile sizeDateTimePlatform
Icsvc.dll6.2.9200.20869283,64804-Nov-201323:23x86
Vmapplicationhealthmonitorproxy.dll6.2.9200.1638410,24026-Jul-201200:57x86
Vmicres.dll6.2.9200.20869161,79206-Nov-201323:41x86
Vmictimeprovider.dll6.2.9200.1638452,73626-Jul-201201:27x86
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For all supported x64-based versions of Windows 8 and Windows Server 2012
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File nameFile versionFile sizeDateTimePlatform
Windows5.x-hypervintegrationservices-x64.msiNot applicable1,716,22409-Nov-201309:50Not applicable
Windows5.x-hypervintegrationservices-x64.xmlNot applicable13009-Nov-201301:45Not applicable
Windows6.x-hypervintegrationservices-x64.xmlNot applicable16709-Nov-201301:45Not applicable
Windows5.x-hypervintegrationservices-x86.msiNot applicable1,462,27209-Nov-201307:47Not applicable
Windows5.x-hypervintegrationservices-x86.xmlNot applicable13009-Nov-201301:48Not applicable
Windows6.x-hypervintegrationservices-x86.xmlNot applicable16709-Nov-201301:48Not applicable
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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Additional file information

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Additional file information for Windows 8 and Windows Server 2012

Additional files for all supported x86-based versions of Windows 8
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File namePackage_1_for_kb2908415~31bf3856ad364e35~x86~~6.2.1.0.mum
File versionNot applicable
File size1,851
Date (UTC)07-Nov-2013
Time (UTC)11:08
PlatformNot applicable
File namePackage_2_for_kb2908415~31bf3856ad364e35~x86~~6.2.1.0.mum
File versionNot applicable
File size1,841
Date (UTC)07-Nov-2013
Time (UTC)11:08
PlatformNot applicable
File namePackage_for_kb2908415_rtm~31bf3856ad364e35~x86~~6.2.1.0.mum
File versionNot applicable
File size1,980
Date (UTC)07-Nov-2013
Time (UTC)11:08
PlatformNot applicable
File nameX86_09c220d4fc919db6ec7e7b9a7490b8c8_31bf3856ad364e35_6.2.9200.20871_none_370bd6747e580d5a.manifest
File versionNot applicable
File size708
Date (UTC)07-Nov-2013
Time (UTC)11:08
PlatformNot applicable
File nameX86_microsoft-hyper-v-integration-services_31bf3856ad364e35_6.2.9200.20871_none_9f0211c5dafe6d5e.manifest
File versionNot applicable
File size28,183
Date (UTC)07-Nov-2013
Time (UTC)11:08
PlatformNot applicable
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Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012
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File nameAmd64_926c2baa12548bae6d8c74f11619dd10_31bf3856ad364e35_6.2.9200.20873_none_1d3cccf1b2d65061.manifest
File versionNot applicable
File size1,082
Date (UTC)09-Nov-2013
Time (UTC)18:35
PlatformNot applicable
File nameAmd64_c74dcb64cdc534b68646a11e7b8148a6_31bf3856ad364e35_6.2.9200.20873_none_d7410fe82fb0c6bc.manifest
File versionNot applicable
File size1,082
Date (UTC)09-Nov-2013
Time (UTC)18:35
PlatformNot applicable
File nameAmd64_microsoft-hyper-v-g..aller-win5x-package_31bf3856ad364e35_6.2.9200.20873_none_2b8a45502d2ebb81.manifest
File versionNot applicable
File size3,165
Date (UTC)09-Nov-2013
Time (UTC)09:53
PlatformNot applicable
File nameAmd64_microsoft-hyper-v-g..aller-win6x-package_31bf3856ad364e35_6.2.9200.20873_none_2dc0af626b85eef2.manifest
File versionNot applicable
File size4,261
Date (UTC)09-Nov-2013
Time (UTC)10:09
PlatformNot applicable
File namePackage_1_for_kb2908415~31bf3856ad364e35~amd64~~6.2.3.0.mum
File versionNot applicable
File size3,233
Date (UTC)09-Nov-2013
Time (UTC)18:35
PlatformNot applicable
File namePackage_2_for_kb2908415~31bf3856ad364e35~amd64~~6.2.3.0.mum
File versionNot applicable
File size3,010
Date (UTC)09-Nov-2013
Time (UTC)18:35
PlatformNot applicable
File namePackage_for_kb2908415_rtm~31bf3856ad364e35~amd64~~6.2.3.0.mum
File versionNot applicable
File size2,177
Date (UTC)09-Nov-2013
Time (UTC)18:35
PlatformNot applicable
File nameX86_microsoft-hyper-v-g..aller-win5x-package_31bf3856ad364e35_6.2.9200.20873_none_cf6ba9cc74d14a4b.manifest
File versionNot applicable
File size3,159
Date (UTC)09-Nov-2013
Time (UTC)07:50
PlatformNot applicable
File nameX86_microsoft-hyper-v-g..aller-win6x-package_31bf3856ad364e35_6.2.9200.20873_none_d1a213deb3287dbc.manifest
File versionNot applicable
File size4,253
Date (UTC)09-Nov-2013
Time (UTC)08:03
PlatformNot applicable
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References

See the terminology Microsoft uses to describe software updates for more information.

Properties

Article ID: 2908415 - Last Review: January 10, 2014 - Revision: 2.0
Applies to
  • Microsoft Hyper-V Server 2012
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Standard
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseinter kbsurveynew kbbug KB2908415

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