I've seen this error with the 5.1.5 client a few times.
I've been able to clear it by one of two methods,
Firstly using the dsmcutil updatepw command to update the password for the
scheduler service, instead of using the GUI to recreate the password.
UPDATEPW - Generate encrypted TSM registry p
Similar situation really,
*except* we want to automate the checkout of backupset volumes, which do not
belong to a specific Stg_pool.
I think the only way to achieve this is through passing the result of a
select statement (select volume_name from libvolumes where
last_use='BackupSet') into a fil
