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Windows 2008: SystemState backup to the source volume

Mostly you have on a terminal (citrix) server just 1 volume. With Windows 2008 it’s default not possible to create a SSB to the source volume.

You can change this do doing the following:

Create a new registry entry with the following information:

Key: HKLM\SYSTEM\CurrentControlSet\Services\wbengine\SystemStateBackup\AllowSSBToAnyVolume
Type: DWORD
Value: 1

A value of 0 prevents the storing of system state backup on a source volume. A value of 1 allows the storing of system state backup on a source volume.

However, there are known issues with storing a system state backup on a source volume:

  • Backups can fail. The backup can be modified during the backup process, which might cause the backup to fail.
  • It causes an inefficient use of target space. Twice the amount of space is necessary for a backup than for the original data. The volume must allocate twice the amount of space for the shadow copy process.
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