- Stop all Exchange related services on your server.
- Backup your log files that are usually located on x:\Program Files\exchsrvr\MDBDATA\Exxxxxxx.Log to a temporary folder.
- Delete all *.log files in the x:\Program Files\exchsrvr\MDBDATA except for e00.chk, res1.log and res2.log
- Start all exchange related services.
- Mount the mail store.