Failure may be observed on STU if the Only use the following media servers is selected for Media server under Storage > Storage unit
If NetBackup Flex Scale is configured and under > , the is selected for Media server, failure may be observed on STU. This occurs if any of the media servers selected are not active. (4001652)
Workaround:
Log on to the Java admin console.
Click > .
In the Change Storage Unit window, select option for .