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Configure concurrent backups for hardware VSS providers

Updated: November 1, 2013

Applies To: System Center 2012 - Data Protection Manager, System Center 2012 R2 Data Protection Manager, System Center 2012 SP1 - Data Protection Manager

If you use a hardware Volume Shadow Copy Services (VSS) provider to back up Hyper-V virtual machines in a cluster that uses Cluster Shared Volumes (CSV) storage, you can back up multiple virtual machines System Center 2012 - Data Protection Manager (DPM) using from the same CSV and node in the cluster. To specify the number of concurrent backups that can run from a node, do the following:

  1. Open the Registry Editor.

  2. Navigate to HKLM\Software\Microsoft\Microsoft Data Protection Manager\2.0\Configuration\MaxAllowedParallelBackups.

  3. Set the following values:

    • Value: Microsoft Hyper-V

    • Data: 3

    • Type: DWORD

This setting enables a maximum of three backups to run concurrently on each node. For optimal performance, we recommend that you do not use a value greater than 3.

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For additional resources, see Information and Support for System Center 2012.

Tip: Use this query to find online documentation in the TechNet Library for System Center 2012. For instructions and examples, see Search the System Center 2012 Documentation Library.
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