EMC snapshot operation fails
Snapshot fails if the EnforceStrictBCVPolicy registry entry is not set to TRUE. For snapshots to succeed, set the entry to TRUE. This registry entry is found at the following location:
HKEY_LOCAL_MACHINE\Software\EMC\ShadowCopy
Registry details:
Name: EnforceStrictBCVPolicy
Type: REG_SZ
Possible values include:
TRUE: Indicates that EMC VSS Provider enforces a strict BCV rotation policy, where a BCV should only be used if it is not currently part of a snapshot.
FALSE: Indicates that EMC VSS Provider does not enforce a BCV rotation policy, leaving enforcement to the VSS requestor.