Observe the following configuration requirements before you perform snapshot backups:

• The hardware and software for the appropriate snapshot method is installed and configured correctly.

  See the NetBackup Snapshot Client Administrator's Guide.

  See the Symantec Support Web site for details on the snapshot methods and platforms that are supported for your agent.

• NetBackup Snapshot Client is configured correctly.

  See the NetBackup Snapshot Client Administrator's Guide for details.

  A Snapshot Client license key is not required for any Exchange snapshot backups that use the Microsoft default provider or SFW.

• To perform off-host backups, perform any special configuration that is required.

  See the NetBackup Snapshot Client Administrator's Guide for information.

• Mount databases before you perform a backup.

• If you want to create a virtual storage unit for an Exchange 2007 CCR environment when the Exchange cluster is also configured as a SAN Media server, see the following:

  http://entsupport.symantec.com/docs/322986