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

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Symptoms
When you try to start a Microsoft Windows Server 2003-based computer that has the Volume Shadow Copy Service (VSS) enabled, the Windows Server 2003-based computer may not start.
Cause
This problem may occur if VSS is enabled, and the computer has many volumes. For example, this problem may occur if the computer has more than 150 volumes. In this scenario, a deadlock may occur in the Volsnap.sys driver.
Resolution

Update information

The following files are available for download from the MicrosoftDownload Center:

DownloadDownload the Update for Windows Server 2003 (KB931312) package now.

DownloadDownload the Update for Windows Server 2003 for Itanium-based Systems (KB931312) package now.

DownloadDownload the Update for Windows Server 2003 x64 Edition (KB931312) package now.

Release Date: June 26, 2007

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 install this update, you must have Microsoft Windows Server 2003 Service Pack 1 installed.

Restart requirement

You must restart the computer after you apply this update.

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, 32-bit (x86-based) versions
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Eventcls.dll5.2.3790.288031,23212-Feb-200719:06x86SP1SP1QFE
Ftdisk.sys5.2.3790.2880137,21612-Feb-200711:31x86SP1SP1QFE
Partmgr.sys5.2.3790.288025,08812-Feb-200712:13x86SP1SP1QFE
Swprv.dll5.2.3790.2880275,96812-Feb-200719:06x86SP1SP1QFE
Volsnap.sys5.2.3790.2880154,11212-Feb-200711:31x86SP1SP1QFE
Vssadmin.exe5.2.3790.2880134,14412-Feb-200711:31x86SP1SP1QFE
Vssapi.dll5.2.3790.2880564,22412-Feb-200719:06x86SP1SP1QFE
Vssui.dll5.2.3790.2880144,38412-Feb-200720:26x86SP1SP1QFE
Vssvc.exe5.2.3790.2880836,09612-Feb-200711:32x86SP1SP1QFE
Vss_ps.dll5.2.3790.288019,45612-Feb-200719:06x86SP1SP1QFE
Eventcls.dll5.2.3790.402131,23212-Feb-200720:09x86SP2SP2QFE
Ftdisk.sys5.2.3790.4021137,21612-Feb-200713:15x86SP2SP2QFE
Partmgr.sys5.2.3790.402125,08812-Feb-200714:03x86SP2SP2QFE
Swprv.dll5.2.3790.4021275,96812-Feb-200720:09x86SP2SP2QFE
Volsnap.sys5.2.3790.4021154,11212-Feb-200713:16x86SP2SP2QFE
Vssadmin.exe5.2.3790.4021134,14412-Feb-200713:16x86SP2SP2QFE
Vssapi.dll5.2.3790.4021564,22412-Feb-200720:09x86SP2SP2QFE
Vssui.dll5.2.3790.4021144,38412-Feb-200720:09x86SP2SP2QFE
Vssvc.exe5.2.3790.4021836,09612-Feb-200713:16x86SP2SP2QFE
Vss_ps.dll5.2.3790.402119,45612-Feb-200720:09x86SP2SP2QFE
Windows Server 2003, x64-based versions
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Eventcls.dll5.2.3790.288046,08012-Feb-200720:34x64SP1SP1QFE
Ftdisk.sys5.2.3790.2880240,12812-Feb-200720:34x64SP1SP1QFE
Partmgr.sys5.2.3790.288045,05612-Feb-200720:34x64SP1SP1QFE
Volsnap.sys5.2.3790.2880289,79212-Feb-200720:34x64SP1SP1QFE
Vssui.dll5.2.3790.2880233,47212-Feb-200720:34x64SP1SP1QFE
Vss_ps.dll5.2.3790.288025,60012-Feb-200720:34x64SP1SP1QFE
Swprv.dll5.2.3790.2880656,89612-Feb-200720:34x64SP1SP1QFE\IA
Vssadmin.exe5.2.3790.2880245,24812-Feb-200720:34x64SP1SP1QFE\IA
Vssapi.dll5.2.3790.28801,328,64012-Feb-200720:34x64SP1SP1QFE\IA
Vssvc.exe5.2.3790.28802,062,33612-Feb-200720:34x64SP1SP1QFE\IA
Swprv.dll5.2.3790.2880656,89612-Feb-200720:34x64SP1SP1QFE\ID
Vssadmin.exe5.2.3790.2880245,24812-Feb-200720:34x64SP1SP1QFE\ID
Vssapi.dll5.2.3790.28801,328,64012-Feb-200720:34x64SP1SP1QFE\ID
Vssvc.exe5.2.3790.28802,062,33612-Feb-200720:34x64SP1SP1QFE\ID
Swprv.dll5.2.3790.2880656,89612-Feb-200720:34x64SP1SP1QFE\IP
Vssadmin.exe5.2.3790.2880245,24812-Feb-200720:34x64SP1SP1QFE\IP
Vssapi.dll5.2.3790.28801,328,64012-Feb-200720:34x64SP1SP1QFE\IP
Vssvc.exe5.2.3790.28802,062,33612-Feb-200720:34x64SP1SP1QFE\IP
Swprv.dll5.2.3790.2880656,89612-Feb-200720:34x64SP1SP1QFE\IS
Vssadmin.exe5.2.3790.2880245,24812-Feb-200720:34x64SP1SP1QFE\IS
Vssapi.dll5.2.3790.28801,328,64012-Feb-200720:34x64SP1SP1QFE\IS
Vssvc.exe5.2.3790.28802,062,33612-Feb-200720:34x64SP1SP1QFE\IS
Wvssapi.dll5.2.3790.2880564,22412-Feb-200720:34x86SP1SP1QFE\WOW
Wvss_ps.dll5.2.3790.288019,45612-Feb-200720:34x86SP1SP1QFE\WOW
Eventcls.dll5.2.3790.402146,08012-Feb-200720:40x64SP2SP2QFE
Ftdisk.sys5.2.3790.4021240,12812-Feb-200720:40x64SP2SP2QFE
Partmgr.sys5.2.3790.402145,05612-Feb-200720:40x64SP2SP2QFE
Volsnap.sys5.2.3790.4021289,79212-Feb-200720:40x64SP2SP2QFE
Vssui.dll5.2.3790.4021233,47212-Feb-200720:41x64SP2SP2QFE
Vss_ps.dll5.2.3790.402125,60012-Feb-200720:40x64SP2SP2QFE
Swprv.dll5.2.3790.4021656,89612-Feb-200720:40x64SP2SP2QFE\IA
Vssadmin.exe5.2.3790.4021245,24812-Feb-200720:40x64SP2SP2QFE\IA
Vssapi.dll5.2.3790.40211,328,64012-Feb-200720:40x64SP2SP2QFE\IA
Vssvc.exe5.2.3790.40212,062,33612-Feb-200720:41x64SP2SP2QFE\IA
Swprv.dll5.2.3790.4021656,89612-Feb-200720:40x64SP2SP2QFE\ID
Vssadmin.exe5.2.3790.4021245,24812-Feb-200720:40x64SP2SP2QFE\ID
Vssapi.dll5.2.3790.40211,328,64012-Feb-200720:40x64SP2SP2QFE\ID
Vssvc.exe5.2.3790.40212,062,33612-Feb-200720:41x64SP2SP2QFE\ID
Swprv.dll5.2.3790.4021656,89612-Feb-200720:40x64SP2SP2QFE\IP
Vssadmin.exe5.2.3790.4021245,24812-Feb-200720:40x64SP2SP2QFE\IP
Vssapi.dll5.2.3790.40211,328,64012-Feb-200720:40x64SP2SP2QFE\IP
Vssvc.exe5.2.3790.40212,062,33612-Feb-200720:41x64SP2SP2QFE\IP
Swprv.dll5.2.3790.4021656,89612-Feb-200720:40x64SP2SP2QFE\IS
Vssadmin.exe5.2.3790.4021245,24812-Feb-200720:40x64SP2SP2QFE\IS
Vssapi.dll5.2.3790.40211,328,64012-Feb-200720:40x64SP2SP2QFE\IS
Vssvc.exe5.2.3790.40212,062,33612-Feb-200720:41x64SP2SP2QFE\IS
Wvssapi.dll5.2.3790.4021564,22412-Feb-200720:41x86SP2SP2QFE\WOW
Wvss_ps.dll5.2.3790.402119,45612-Feb-200720:41x86SP2SP2QFE\WOW
Windows Server 2003, Itanium-based versions
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Eventcls.dll5.2.3790.288082,43212-Feb-200720:33IA-64SP1SP1QFE
Ftdisk.sys5.2.3790.2880498,68812-Feb-200720:33IA-64SP1SP1QFE
Partmgr.sys5.2.3790.288083,45612-Feb-200720:33IA-64SP1SP1QFE
Volsnap.sys5.2.3790.2880478,20812-Feb-200720:33IA-64SP1SP1QFE
Vssui.dll5.2.3790.2880407,55212-Feb-200720:33IA-64SP1SP1QFE
Vss_ps.dll5.2.3790.288031,23212-Feb-200720:33IA-64SP1SP1QFE
Swprv.dll5.2.3790.2880832,51212-Feb-200720:33IA-64SP1SP1QFE\IA
Vssadmin.exe5.2.3790.2880313,85612-Feb-200720:33IA-64SP1SP1QFE\IA
Vssapi.dll5.2.3790.28801,649,66412-Feb-200720:33IA-64SP1SP1QFE\IA
Vssvc.exe5.2.3790.28802,586,11212-Feb-200720:34IA-64SP1SP1QFE\IA
Swprv.dll5.2.3790.2880832,51212-Feb-200720:33IA-64SP1SP1QFE\ID
Vssadmin.exe5.2.3790.2880313,85612-Feb-200720:33IA-64SP1SP1QFE\ID
Vssapi.dll5.2.3790.28801,649,66412-Feb-200720:33IA-64SP1SP1QFE\ID
Vssvc.exe5.2.3790.28802,586,11212-Feb-200720:33IA-64SP1SP1QFE\ID
Wvssapi.dll5.2.3790.2880564,22412-Feb-200720:34x86SP1SP1QFE\WOW
Wvss_ps.dll5.2.3790.288019,45612-Feb-200720:34x86SP1SP1QFE\WOW
Eventcls.dll5.2.3790.402182,43212-Feb-200720:37IA-64SP2SP2QFE
Ftdisk.sys5.2.3790.4021498,68812-Feb-200720:37IA-64SP2SP2QFE
Partmgr.sys5.2.3790.402183,45612-Feb-200720:37IA-64SP2SP2QFE
Volsnap.sys5.2.3790.4021478,20812-Feb-200720:38IA-64SP2SP2QFE
Vssui.dll5.2.3790.4021407,55212-Feb-200720:38IA-64SP2SP2QFE
Vss_ps.dll5.2.3790.402131,23212-Feb-200720:38IA-64SP2SP2QFE
Swprv.dll5.2.3790.4021832,51212-Feb-200720:37IA-64SP2SP2QFE\IA
Vssadmin.exe5.2.3790.4021313,85612-Feb-200720:38IA-64SP2SP2QFE\IA
Vssapi.dll5.2.3790.40211,649,66412-Feb-200720:38IA-64SP2SP2QFE\IA
Vssvc.exe5.2.3790.40212,586,11212-Feb-200720:38IA-64SP2SP2QFE\IA
Swprv.dll5.2.3790.4021832,51212-Feb-200720:37IA-64SP2SP2QFE\ID
Vssadmin.exe5.2.3790.4021313,85612-Feb-200720:38IA-64SP2SP2QFE\ID
Vssapi.dll5.2.3790.40211,649,66412-Feb-200720:38IA-64SP2SP2QFE\ID
Vssvc.exe5.2.3790.40212,586,11212-Feb-200720:38IA-64SP2SP2QFE\ID
Wvssapi.dll5.2.3790.4021564,22412-Feb-200720:38x86SP2SP2QFE\WOW
Wvss_ps.dll5.2.3790.402119,45612-Feb-200720:38x86SP2SP2QFE\WOW
Workaround
To work around this problem, use one of the following methods:
  • Do not enable the Volume Shadow Copy Service.
  • Do not use as many volumes on the computer.
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 the terms that are used to describe software updates, 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
W2K3 Winserve Win2003
Properties

Article ID: 931312 - Last Review: 06/21/2014 12:46:00 - Revision: 6.0

Microsoft Windows Server 2003, Web Edition, Microsoft Windows Server 2003, Standard Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise x64 Edition

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