Explanation: The tape manager (bptm) received an error when they requested a media mount from the following: the NetBackup Device Manager service (on Windows) or the Media Manager device daemon (ltid) (on UNIX and Linux).
Recommended Action: Do the following, as appropriate:
Check the NetBackup Problems report to determine the reason for the failure. The most common cause is that the NetBackup Device Manager service (on Windows) or the Media Manager device daemon (ltid) (on UNIX and Linux) is not running. Start it if necessary.
If you duplicate backups or use Vault to duplicate backups, this error could indicate the following: the Alternate Read Server does not have access to the tape where the original backup resides.