/Provider=ProviderNameOrId /For=ForVolumeSpec /On=OnVolumeSpec /Quiet - Deletes an existing shadow copy storage association ...

%1 %2 /Provider=ProviderNameOrId /For=ForVolumeSpec      [/On=OnVolumeSpec] [/Quiet]     - Deletes an existing shadow copy storage association between      ForVolumeSpec and OnVolumeSpec.  If no /On option is given, all shadow      copy storage associations will be deleted for the given ForVolumeSpec.      - The Provider ID can be obtained by using the List Providers command.      When entering a Provider ID, it must be in the following format:        {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}      where the X's are hexadecimal characters.        Example Usage:  vssadmin Delete ShadowStorage                               /Provider={b5946137-7b9f-4925-af80-51abd60b20d5}                              /For=C: /On=D: