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ITsVISTA KB-Link: KB975832

You cannot perform certain disk-related operations after a VSS hardware provider fails to create a snapshot on a computer that is running Windows Server 2008 or Windows Vista

Consider the following scenario:

  • You create a volume that covers one or more disks on a computer that is running Windows Vista or Windows Server 2008.
  • A Volume Shadow Copy Service (VSS) hardware provider tries to create a snapshot of the volume. However, an exception occurs and the action is unsuccessful.

In this scenario, you are cannot perform certain operations on the disks. The following common disk-related operations that you perform may fail:

  • You back up one of these disks by using a backup application such as System Center Date Protection Manager (DPM).
  • One of these disks is used as a shared disk in a Windows failover cluster. However, you cannot bring the shared disk online.
  • You run an application that calls the ResourceControl callback function together with the CLUSCTL_RESOURCE_STORAGE_GET_DISK_INFO_EX resource control code against these disks. Then, the application returns error code 1168.
There is a download that resolves this issue. See Hotfixes for details.
32-bit Download: Contact Microsoft
64-Bit Download: Contact Microsoft

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB975832.

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