Media Manager status code 6
Message: invalid protocol request
Explanation: An invalid request was sent to a robotic process or operator request process.
Recommended Action:
Examine the 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.
Identify the target components (for example, vmd, nbemm, and robotic processes on local or remote hosts). Then, verify that all of the media and device management binaries are at a compatible version level.