Retrieving used block data after performing full disk backups helps reduce the backup window and less space requirement from the backup destination.
Note: Due to VMware limitation, used blocks cannot be retrieved from virtual machines when recovery point snapshots are present. In such cases, a full disk backup is performed on the virtual machine.
After a full disk backup is submitted, perform the following steps to retrieve the used block data:
HKEY_LOCAL_MACHINE\SOFTWARE\CA\CA ARCserve D2D\AFBackupDll\VM_InstanceUUID
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