In NetBackup 7.7.3 the following message may display in the Activity Monitor Error Logs tab or in the bperror reports:
Critical Error "cannot determine connection host name" from JOBID "0"
This message does not report a critical error and can be disregarded. This erroneous message will be fixed in a future NetBackup release.
Action RequiredDisregard the message. This message does not report a critical error.