Microsoft KB Archive/940349

= Availability of a Volume Shadow Copy Service (VSS) update rollup package for Windows Server 2003 to resolve some VSS snapshot issues =

Article ID: 940349

Article Last Modified on 12/19/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
 * Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
 * Microsoft Windows Server 2003, Datacenter x64 Edition
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
 * Microsoft Windows Server 2003, Enterprise x64 Edition
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Standard x64 Edition
 * Microsoft Windows Server 2003, Web Edition

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INTRODUCTION
An update rollup package is available to resolve some Volume Shadow Copy Service (VSS) snapshot issues in Windows Server 2003.

Issue 1
A Windows Server 2003-based computer may be unable to start successfully if VSS is enabled and if many volumes exist on the computer. For example, this problem occurs if more than 150 volumes exist on the computer.

931312 Windows Server 2003 may not start when the Volume Shadow Copy Service is enabled

Issue 2
After you restart a Windows Server 2003-based computer, VSS snapshots may be unexpectedly deleted.

940041 Volume Shadow Copy Service snapshots may be unexpectedly deleted after you restart a Windows Server 2003-based computer

Issue 3
VSS cannot create a volume snapshot even when VSS has sufficient memory space in Windows Server 2003.

940239 VSS cannot create a volume snapshot even when VSS has sufficient memory space in Windows Server 2003

Issue 4
VSS may leak private bytes and virtual memory when you use VSS to take frequent snapshots in Windows Server 2003 or in Windows XP.

940252 The Volume Shadow Copy Service may leak private bytes and virtual memory when you use the service to take frequent snapshots in Windows Server 2003 or in Windows XP

Issue 5
Windows Server 2003 startup times increase after you use a backup program that uses VSS to create snapshot volumes. For example, the Windows startup time may increase to 20 minutes or longer.

Issue 6
More than seven backups are prevented from starting before the first backup finishes. Also, an event that resembles the following is logged in the event log:

Event Type: Error

Event Source: VSS

Event Category: None

Event ID: 12301

Date:

Time:

User: N/A

Computer:

Description: Volume Shadow Copy Service error: Writer  did not respond to a GatherWriterStatus call.

Issue 7
VSS shadow copies may be corrupted if the data cannot be preserved when another shadow copy is created.



Update information
The following files are available for download from the Microsoft Download Center:

Windows Server 2003 for x86-based Systems

Download the 940349 package now.

Windows Server 2003 for Itanium-based Systems

Download the 940349 package now.

Windows Server 2003 for x64-based Systems

Download the 940349 package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites
To apply this hotfix, your computer must be running one of the following operating systems:
 * An x86-based version of Windows Server 2003 with Service Pack 1 (SP1) or an x86-based version of Windows Server 2003 with SP2
 * An Itanium-based version of Windows Server 2003 with SP1 or an Itanium-based version of Windows Server 2003 with SP2
 * An x64-based version of Windows XP or an x64-based version of Windows Server 2003 with or without SP2

Restart requirement
You have to restart the computer after you apply this update.

Update replacement information
This update replaces the following previously released updates:
 * KB931312
 * KB940041
 * KB940239
 * KB940252
 * KB939989

Registry information
To use this update, you do not have to make any changes to the registry.

File information
The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2003, Itanium-based versions
