To use snapshot technologies with Backup Exec, you must install the Advanced Open File Option (AOFO). After making backup selections and selecting AOFO, you can configure Backup Exec to use the snapshot technologies installed on your computers.
Backup Exec supports the following snapshot technologies:
Table: Supported snapshot technologies
More Information
Setting defaults for the Advanced Open File Option for backup jobs
Changing the default settings for the Symantec Volume Snapshot Provider
Using Snap Start on a Veritas Storage Foundation volume
Best practices for using the Symantec Volume Snapshot Provider