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Considerations for Backing Up Virtual Machines on CSV with Hardware VSS Providers

Applies To: System Center Data Protection Manager 2010

If you are using a hardware VSS provider, you can back up multiple virtual machines from the same CSV/node in the cluster. To specify the number of concurrent backups that can run from a node, you must set the following registry key:

Key HKLM\Software\Microsoft\Microsoft Data Protection Manager\2.0\Configuration\MaxAllowedParallelBackups


Microsoft Hyper-V





This will enable 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.