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Q. How can I force a server to use the Microsoft Volume Shadow Copy Service (VSS) provider?

A. VSS has several components. One of them is the VSS provider, which is responsible for facilitating the creation of a shadow copy. Microsoft offers a VSS provider, but other providers are available as part of software or hardware solutions that use different methods based on the functionality of the hardware present. If you're having problems and want to force a server to use the Microsoft VSS provider, do the following:

  1. Start the registry editor (regedit.exe).
  2. Move to HKLM \SYSTEM\CurrentControlSet\Control\BackupRestore.
  3. Set the DWORD registry value useMicrosoftProvider to 1 and click OK. If the value doesn't exist, create it.
  4. Reboot the server for the change to take effect.

To list the VSS providers available on a box, run the command

vssadmin list providers
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