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Symptoms

Consider the following scenario:

  • You install the Hyper-V role on two computers that are running Windows Server 2008 R2.

  • You create a failover cluster on these computers.

  • You enable special pool on the two cluster nodes.

  • You create a virtual machine on a Cluster Shared Volume (CSV) in the Failover Cluster Manager snap-in on a cluster node.

  • You move the virtual machine to the other cluster node.

  • You shut down one of the cluster nodes.

In this scenario, you receive a Stop error message that resembles the following:

STOP: 0x000000D5 (Parameter1, Parameter2, Parameter3, Parameter4)
DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL


Notes

  • The parameters in this Stop error message vary, depending on the configuration of the computer.

  • Not all "0x000000D5" Stop errors are caused by this issue.

Cause

The issue occurs because the CSV filter driver (Csvfilter.sys) incorrectly references a memory address that has already been freed. The issue occurs when the Hyper-V Virtual Machine Management Service (Vmms.exe) tries to cancel an I/O request to the cluster shared volume.

Resolution

Hotfix information

A supported hotfix is available from Microsoft. 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, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=supportNote 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 be running Windows Server 2008 R2 or Windows Server 2008 R2 Service Pack 1 (SP1). Additionally, you must have the Failover Clustering feature and the Hyper-V role installed.

For more information about how to obtain a Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To use the hotfix, you do not have to change the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global 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 Server 2008 R2 file information notes

Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" 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:

    Version

    Product

    Milestone

    Service branch

    6.1.760
    0.20xxx

    Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.21xxx

    Windows Server 2008 R2

    SP1

    LDR

  • The MANIFEST files (.manifest) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. 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 x64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Clusauthmgr.dll

6.1.7600.21040

37,376

31-Aug-2011

07:13

x64

Csvfilter.sys

6.1.7600.21040

156,160

31-Aug-2011

04:45

x64

Clusauthmgr.dll

6.1.7601.21805

37,376

31-Aug-2011

08:25

x64

Csvfilter.sys

6.1.7601.21805

156,160

31-Aug-2011

05:35

x64

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Clusauthmgr.dll

6.1.7600.21040

78,848

31-Aug-2011

06:07

IA-64

Csvfilter.sys

6.1.7600.21040

356,864

31-Aug-2011

04:06

IA-64

Clusauthmgr.dll

6.1.7601.21805

78,848

31-Aug-2011

05:56

IA-64

Csvfilter.sys

6.1.7601.21805

356,864

31-Aug-2011

03:55

IA-64

Workaround

To work around the issue, do not enable special pool for the CSVFilter.sys driver on either of the cluster nodes. Or, do not shut down either of the cluster nodes.

Status

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

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows Server 2008 R2

File name

Amd64_45508e944ef8638a383f78787d13d79f_31bf3856ad364e35_6.1.7600.21040_none_a62b250a9f3bc5bc.manifest

File version

Not applicable

File size

721

Date (UTC)

31-Aug-2011

Time (UTC)

18:15

Platform

Not applicable

File name

Amd64_e696081430d8b53ffc4d51112379e6f8_31bf3856ad364e35_6.1.7601.21805_none_2cc70f36d3cb0d83.manifest

File version

Not applicable

File size

721

Date (UTC)

31-Aug-2011

Time (UTC)

18:15

Platform

Not applicable

File name

Amd64_microsoft-windows-f..uster-csvfiltercore_31bf3856ad364e35_6.1.7600.21040_none_6345b0f2c2cdfa03.manifest

File version

Not applicable

File size

5,265

Date (UTC)

31-Aug-2011

Time (UTC)

07:53

Platform

Not applicable

File name

Amd64_microsoft-windows-f..uster-csvfiltercore_31bf3856ad364e35_6.1.7601.21805_none_655c78debfcf3ec3.manifest

File version

Not applicable

File size

5,265

Date (UTC)

31-Aug-2011

Time (UTC)

09:34

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,383

Date (UTC)

31-Aug-2011

Time (UTC)

18:15

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_047acc7ce205737b957b5ec481dd2492_31bf3856ad364e35_6.1.7601.21805_none_50a7716ca8e0bb37.manifest

File version

Not applicable

File size

719

Date (UTC)

31-Aug-2011

Time (UTC)

18:14

Platform

Not applicable

File name

Ia64_3b2c1ecf8f76ff335e1123c55b77e767_31bf3856ad364e35_6.1.7600.21040_none_4790988430a7432b.manifest

File version

Not applicable

File size

719

Date (UTC)

31-Aug-2011

Time (UTC)

18:14

Platform

Not applicable

File name

Ia64_microsoft-windows-f..uster-csvfiltercore_31bf3856ad364e35_6.1.7600.21040_none_0728b9650a6e91c9.manifest

File version

Not applicable

File size

5,263

Date (UTC)

31-Aug-2011

Time (UTC)

07:49

Platform

Not applicable

File name

Ia64_microsoft-windows-f..uster-csvfiltercore_31bf3856ad364e35_6.1.7601.21805_none_093f8151076fd689.manifest

File version

Not applicable

File size

5,263

Date (UTC)

31-Aug-2011

Time (UTC)

09:19

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,957

Date (UTC)

31-Aug-2011

Time (UTC)

18:14

Platform

Not applicable

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