I've got the same problem now. B2D was full, but I've cleared it out and I've got over 600GB free. I've tried turning diskspace reserve off & on, restarting the server, etc. But NOTHING clears the stupid "low disk space" warning. Currently, I can't run any B2D jobs as a result.
Can someone please tell me how to clear it? Or even better, why Backup Exec doesn't just notice by itself!
(On x64 server running 7170 with upto hotfix 13 installed)