If you are getting an error message “BR0022E Setting of BRARCHIVE lock failed” with the detail information like “BR0021I Please delete file W:\oracle\<SID>\oraarch\.lock.bra if BRARCHIVE was killed” while taking BACKUP operation via DB13, then you should check the LOCK file situation like described in this article…

You can see the erroneous result of the archive backups due to problem of “.lock.bra” , to get this detail information continue with following screen shot steps.

Double click one of the entry

Continue with “Show Action/Detail Log” button

You can see the message like below screen ;

BR0021I Please delete file W:\oracle\<SID>\oraarch\.lock.bra if BRARCHIVE was killed

Solution is ; Go to related disk drive, find the .lock.bra file and DELETE it

* Be sure that no any active backup process on the system meantime

Now you can try a new archive backup process via tcode DB13