Device management status code 72
Message: EMM library call failed
Explanation: A request that was made to read/write data to EMM failed.
Recommended Action:
Examine command output, debug logs, and system logs for a more detailed message on the error.
See "Setting Media Manager debug logging to a higher level" in the NetBackup Logging Reference Guide.
Verify that pbx_exchange is running.
Run the tpconfig -d or vmquery -a command to verify that the EMM server is actively running and accepting new connections.