Symptoms

Assume that you have a file that contains lots of extents (such as Microsoft Outlook .PST files) on a server that runs Windows Server 2012 R2 or Windows Server 2012. When you try to back up the server by using a backup application that uses the native backup APIs, the application process crashes, and the backup operation fails. For example, the Data Protection Manager Replication Agent process (DPMRA.exe) crashes during the backup.

Resolution

To resolve this issue, install update 2919355 for Windows Server 2012 R2, or install update rollup 2934016 for Windows Server 2012.

Update information for Windows Server 2012 R2

For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:

2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014

Update information for Windows Server 2012

For more information about how to obtain update 2934016, click the following article number to view the article in the Microsoft Knowledge Base:

2934016 Windows RT, Windows 8, and Windows Server 2012 update rollup: April 2014

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 software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684Description of the standard terminology that is used to describe Microsoft software updates

For more information about Data Protection Manager (DPM), go to the following Microsoft website:

General information about DPM

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