CMS Supervisor provides options for restoring or migrating data. You can restore data from when the CMS version on the backup media is the same as the CMS version installed on the system. If the CMS versions are different, you must migrate data instead. To migrate data, navigate to . For example, if the CMS version on the backup media is r21ab.g and the CMS version installed on the system is r21ab.g, the data can be restored. If the CMS version on the backup media is r21ab.c and the CMS version installed on the system is r21ab.g, the data must be migrated.