Device configuration status code 90
Explanation: An instance of the Device Configuration Wizard or tpautoconf is already running.
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.
Retry the operation after the current instance is done.
A lock on the device configuration cache may have been orphaned. Use the nbemmcmd command to clear the lock, then retry the operation.