Noncritical disk volumes are included incorrectly in the system state backup image when you use the -allCritical option in Windows Vista SP2 or Windows Server 2008 SP2

Applies to: Windows Vista Service Pack 2Windows Vista BusinessWindows Vista Enterprise

Symptoms


Assume that you create more than nine disk volumes on a computer that is running Windows Vista Service Pack 2 (SP2) or Windows Server 2008 SP2. You perform a system state backup operation by running the wbadmin start backup command together with the -allCritical option. In this situation, some noncritical volumes are included incorrectly in the backup image. Additionally, the backup operation might fail.

Additionally, this update fixes the following issue:
When you use Symantec's Backup Exec 2010 R3 to perform backup in Windows Vista SP2 or in Windows Server 2008 SP2, the application intermittently stops responding and the backup job fails.

Cause


This issue occurs because the Volume Shadow Copy Service (VSS) Automated System Recovery (ASR) writer performs a prefix comparison operation when the ASR writer enumerates the volumes. This behavior causes the ASR writer to incorrectly mark these noncritical volumes as critical volumes.

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 website: 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 be running one of the following operating systems:
  • Windows Vista Service Pack 2 (SP2)
  • Windows Server 2008 Service Pack 2 (SP2)
For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:

935791 How to obtain the latest Windows Vista service pack

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

968849 How to obtain the latest service pack for Windows Server 2008

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You might have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008
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Date (UTC)20-Dec-2013
Time (UTC)15:00
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File size33,700
Date (UTC)20-Dec-2013
Time (UTC)09:43
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Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
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Time (UTC)10:37
PlatformNot applicable
File nameUpdate.mum
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Additional files for all supported IA-64-based versions of Windows Server 2008
File propertyValue
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PlatformNot applicable
File nameUpdate.mum
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File size2,255
Date (UTC)20-Dec-2013
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