When you try to start any of your Exchange Server Storage Group, you may come across the following error message:
“ESE 447 Database corruption”
In such situations, when you create a new storage group and move your mailboxes on this, the mailboxes will remain un-functional and inaccessible. You will get the same error message here also.
Cause
This issue generally takes place because of the antivirus scanning of Exchange Server database file directory or some hardware related problems. In both of these cases, the database becomes problematic.
Event ID 447 in this error message shows that the logical structure Exchange Server database has got damaged. The logical EDB corruption may take place due to one or more of below given causes:
. Inappropriate log files were replayed while restoring the database
. The disk caching had not commended transactions to hard drive and thus the Exchange Server had crashed (stopped responding)
. The hard drive controller of Exchange Server is defective
. The log files of database have been deleted, which were not completely committed to database
Due to the undetectable nature of logical database structure corruption by the backup program, you might not be familiar with the issue. It appears only when you attempt to access a page, which has data stored on it.
Resolution.
To work around this problem, you will have to restore your database from the current backup. After restoration, you will find your database in consistent state, free from corruption. But, if you do not have proper backup, you will have to perform Exchange Server recovery.
Exchange Server recovery is potential with the help of third party software, known as EDB recovery software. These software perform quick EDB repair in most the EDB corruption cases. To ensure absolute and quick EDB repair, it is essential to have the best Exchange Server repair software.
Stellar Phoenix Mailbox Exchange Recovery software is the best ever made and the most influential Exchange Server recovery software. This powerful EDB recovery software has ultimate power to scan the damaged EDB file and extract as much data as possible from it.

