Article ID: 910330 - View products that this article applies to.
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Stored shadow copies of backup replicas are overwritten even if there is sufficient storage space allocated for shadow copies in Microsoft System Center Data Protection Manager (DPM) 2006. This symptom typically only affects protected volumes with less than 25 gigabytes (GB) of data.
This problem occurs because DPM 2006 incorrectly determines the minimum required disk space threshold that is used to allocate space for shadow copy storage on the DPM 2006 server. The Volume Shadow Copy Service (VSS) uses a minimum disk space threshold for shadow copy area disk allocations. When the threshold for the minimum disk space that is required is incorrect, stored shadow copies can be overwritten.
Update informationThis update modifies the formulas that DPM 2006 uses to allocate space for shadow copy storage on the DPM 2006 server.
Important You should apply this update to every computer that is running DPM 2006, even if the computer has not experienced the problem.
Note Exit DPM 2006 before you apply this update.
The following file is available for download from the Microsoft Download Center:
Download the 910330 package now.
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(http://www.microsoft.com/downloads/details.aspx?familyid=A0114815-558E-43E0-A713-F07025B73129&displaylang=en)For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591Microsoft 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.
(http://support.microsoft.com/kb/119591/ )How to obtain Microsoft support files from online services
PrerequisitesNo prerequisites are required.
Restart requirementYou do not have to restart the computer after you apply this update.
Update replacement informationThis update does not replace any other updates.
File informationThe 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.
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the terms that are used in this article, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates