we have the strange Problem, that our Backup Enviroment for our Exchange has a problem that every 5-7 days the VSS-technique stops working. We have 16 Databases on a 2 Member-DAG. 8DBs on every Server aktive, 8 passive. The setting is to backup the passive Database.
In view of Exchange the Database is mounted, but the BackupExec failes with Error: "The Database is not mounted"
Sichern- \\DAG01.riedel.net\Microsoft Information Store\EDB-big-2
The funny is: when you reboot the Exchange-Servers it works for 5-7 days.. Has anyone an idea?
use the VSSADMIN list writers command on the exchnage server(s) to look at the writer status once it goes wrong
and look in the event logs on the Exchnage server(s) (System and Application) for VSS or Exchange issues between the last time the backup worked and the backup failure.
Then research what you find.