Warning W3748

Unable to map session. (Media=<Media Name>, ID=<Media ID>, Session=<Session No>, EC=<Error Code>)

Module

Task

Reason:

In a merge job, when a session is being merged Arcserve Backup tries to set a mapping between the merged session and any available copy of this session in the system. Doing so helps keep track of copied sessions in the system. But while creating the mapping, the Database returned an error because of an internal error.

Action:

Check if the database engine is still running. Verify the server which hosts the Database is reachable and also verify that the Database services are running.

Ensure the following log files are available from the Arcserve Backup installation path \LOG directory:

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