media server was unable to connect to the Remote Agent

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Situation: When attempting to backup a server using Symantec Backup Exec 12, you may receive this message:
V-79-57344-3844 - The media server was unable to connect to the Remote Agent on machine servername.
The media server will use the local agent to try to complete the operation.
Remote Agent not detected on servername.

Resolution:
1.Open the selection list of the same job
2.Remove the unwanted entries from "View by details" tab of the selections
3. Re-run the backups.