Using Exchange Server Database Utilities (eseutil.exe) in Exchange 2003 / 2007 (Part 2)

Eseutil work with ESE db files and logs. You can use to verify, modify and repair Exch db files.
When db is corrupt you must restore from backup first because Eseutil repair can result in data loss. Eseutil is located in
:\Program Files\Microsoft\Exchange server\Bin

You can use in Mailbox, Edge and Hub roles
You mustt use the same version of eseutil as version of Exch you are working. The Exch07 version does not support working with *.stm files.
You can only run one instance for eseutil. Eseutil modes:
- Defrag /D
Defrag offline but leaves the new db in temp location and reduces the size
- Repair /P
Repair a corrupt offline db discarding pages that cannot be fixed
- Restore /C
Displays restore log files (restore.env) and control hard recovery after restoration from
online backups
- Recovery /R
Replay logs or rolls them forward to restore a db to internall consistency or to bring
an older copy of a db up to date
- Integrity /G
Verifies the page level and ESE level logical integrity of db.
- File Dump /M
Displays headers of database files, transaction log files and checkpoints. Also display
database pagre header information and db space allocation
- Checksum /K
Verifies checksum on all pages in he db, logs and checkpoints
- Copy File /Y
Perform a fast copy of very large files