Microsoft KB Archive/820622

= Single Instance Storage service temporary files are not deleted or grow in size when you perform a backup or a volume snapshot operation =

Article ID: 820622

Article Last Modified on 7/24/2007

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APPLIES TO


 * 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
 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Datacenter Server

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SYMPTOMS
When you perform a backup or a volume snapshot operation on a volume that is managed by the Microsoft Single Instance Storage service (SIS), one or more of the following conditions may occur:
 * Temporary files that are used in the backup or the snapshot operation may not be deleted after the backup or snapshot operation ends.
 * Temporary files may unexpectedly grow in size.
 * You may not be able to open certain volume files on the snapshot volume.



CAUSE
The SIS filter driver (Sis.sys) may not correctly lock or unlock the FSCTL_LOCK_VOLUME API. Therefore, some volume files are not locked or unlocked correctly.



Windows Server 2003 hotfix information
A supported hotfix is now 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 this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
No prerequisites are required.

Restart requirement
You must restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later) 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 tool in Control Panel. Windows Server 2003, 32-bit editions

Date        Time   Version            Size    File name --  12-Aug-2003  23:48  5.2.3790.77        78,336  Grovel.exe 12-Aug-2003 23:48  5.2.3790.77         4,608  Grovmsg.dll 12-Aug-2003 23:18  5.2.3790.77        65,536  Sis.sys

Windows Server 2003, 64-Bit Edition

Date        Time   Version            Size    File name --  12-Aug-2003  23:18  5.2.3790.77       220,672  Grovel.exe 12-Aug-2003 23:47  5.2.3790.77         4,096  Grovmsg.dll 12-Aug-2003 23:17  5.2.3790.77       209,920  Sis.sys



Windows 2000 hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
Windows 2000 Service Pack 3

Restart requirement
You must restart your computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later) 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 tool in Control Panel. Windows 2000

Date        Time   Version            Size    File name --  12-Feb-2004  01:03  5.0.2195.6897      89,360  Grovel.exe 12-Feb-2004 01:03  5.0.2195.6897      64,624  Sis.sys



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section of this article.



MORE INFORMATION
For additional information, 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

