EDB Corruption and Recover Exchange Server Database

Exchange dirty shut down is the most common issue that Exchange Server administrators ordinarily need to deal with. The dirty shut down refers to abrupt Exchange Server shut down or appearing of Exchange Server in inconsistent state. The reason for dirty shut down can be abrupt system shut down or any hardware failure on the system where MS Exchange Server has been installed. When MS Exchange Server goes in inconsistent state, you encounter the following error message:

"error -550 (Jet_errDatabaseDirtyShutDown)"
The preceding error does not indicate that Exchange Server database is damaged or corrupted but the database files were not properly detached from the log stream. However, dirty shut down sometimes also leads into database corruption. When you encounter with the error message confirming dirty system shut down, you must recover the database before you restart the Exchange Server.

Process to Recover Exchange Database
You can recover the database files in following two ways:
Recover from Backup File: If you have already taken full backup of Exchange Server database then restore the storage group and log files from backup file at a new location. After restoring the storage group, mount the database in storage group.
Repair the Database: If you do not have backup of Exchange Server database then the only solution for you to recover database is to repair it. You can repair the database if execute the following steps:
Execute the Eseutil /p command from Exchange Server's Bin folder
Delete the log and chk files
Defragment and rebuilt the database using the Eseutil /d command
Execute Isinteg -s exchange_server_name -fix -test alltests
Mount the database
After applying anyone of the aforementioned methods if you are not able to recover Exchange Server database then the best possible way for you to repair the MS Exchange Server database after encountering "error -550 (Jet_errDatabaseDirtyShutDown)" message is the use of third-party Exchange recovery utility. With easy to use interface, these utilities help you repair Exchange database within minutes. With their advance Exchange database recovery processes these utilities recover all database files from Exchange storage group.

Lots of Exchange Server database repairing and recovery tools are available in the market. And most of them offer free trial so that you can verify the software quality before making a purchase. On the basis of the result of the evaluation version you can easily decide that which Exchange database recovery tool will be best for you.