Dissolution - Database recovery failed with unexpected error Restore - Exchange Server error

If you perform operations such as an online backup, defragmentation, system reads the individual database page for writing and other methods. This is first learns checksum test and see if it is correct. For some reason, when the side of the engine has been calculated database inconsistency, it reports an error and the process is stopped. Such errors usually root of the physical database corruption and force you from restoring the databaseBackup Repair or apply anti-corruption measures to correct some Exchange database.

As an example of such problems, with Exchange Server 2007, you may experience the following symptoms:

1. The client computer can not start Microsoft Outlook
2. Users can not send / receive e-mails
3. Online backup and defragmentation with a -1018 checksum error
4. The Application event log in Exchange Server reports an error as follows:

"Database recovery andrestore failed with unexpected error. "

Cause

The above symptoms indicate that Exchange Server has failed to read database page due to checksum mismatch and the site is damaged. However, the same problems also occur due to malfunction or problem in the RAM firmware. For the specific reason, you are suggested, error code listed in the event description is shown.

Solution

You need to apply these measures to solve the given problem:

1. If the error listedin the event description is -515, the transaction could log file (s) are missing. Determine the missing logs and move them back to the log directory and / or restore the database from the backup.
2. Check the system for hardware problems and solve them or migrate to another hardware
3. Consider upgrading the BIOS and firmware
4. Perform server repair with eseutil / p command to fix Exchange, followed by eseutil / D and Isinteg. Be sure to back up the database first as aWhen these repair sites can erase important here.

For secure MS Exchange repair, copy solutions such as an Exchange server recovery software. These commercial applications built to run with advanced technology effectively scan for a damaged database and extract the valuable information out of him.

Exchange repair software is a professional tool that repairs damaged Exchange Server database. The ExchangeRepair software provides all the mailboxes in single *. pst files and it also allows, choose it as required. The tool supports Exchange Server 5.5, 2000, 2003 and 2007. The software can also be deleted mailboxes.

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