Article ID: 826751 - Last Review: July 24, 2007 - Revision: 4.10

Backup Program Causes Gradually Declining Performance

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SYMPTOMS

When you use any third-party backup program on your Microsoft Windows Server 2003-based computer, you may experience one or both of the following symptoms:

Poor and gradually declining system performance
Out-of-memory errors

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CAUSE

This problem occurs because of a memory leak in the code of the Volume Shadow Copy Service backup infrastructure.

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

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

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 fix 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.

 IA-64
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   22-Aug-2003  00:30  5.2.3790.79     1,339,392  Vssapi.dll       IA-64
   22-Aug-2003  00:27  5.2.3790.79       540,160  Wvssapi.dll      x86
   12-Aug-2003  18:54                        271  Branches.inf
   22-Aug-2003  01:23                     10,444  Kb826751.cat
   22-Aug-2003  00:48                        354  Updatebr.inf
   22-Aug-2003  00:48                      5,292  Update_rtmqfe.inf


 x86
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   21-Aug-2003  22:34  5.2.3790.79       540,160  Vssapi.dll       
   12-Aug-2003  18:54                        271  Branches.inf
   22-Aug-2003  01:23                     10,091  Kb826751.cat
   22-Aug-2003  00:30                        354  Updatebr.inf
   22-Aug-2003  00:30                      5,027  Update_rtmqfe.inf

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