How to Restore Exchange server

Restoring Exchange server is used when there is a database failure or server failure. Proper steps
are required to be followed to bring the server and database online. You can restore Exchange
database using NT BACKUP utility. But to restore Exchange database the database must be
offline. Online restoration is not possible in Exchange server. The Microsoft Exchange
Information Store (IS) service manages the entire restoration process.
Note :
• Before restoring Exchange database you must backup all your existing Exchange
database files, logs files, etc.
• The existing database or store must be dismounted before restoring.
How restoration works
1. The restoring is done using Windows NT BACKUP program.
2. When restoration is done it replaces the existing database files with the restored database
files.
3. Next it copies the log files that are on the backup tape into a temporary log directory as
specified during restoration.
4. NTbackup create the Restore.env file for each restore operation in progress in the same
directory as the log files that are restored from backup media.
5. Replay and apply the restored log files to the database.
6. Replay and apply the active storage groups’ log files to the database.
7. Delete the log files from the temporary log directory.

Steps for Restoration

1. Start Exchange System Manager and then goto Administrative Groups\First
Administrative Group\Servers\Server01\My Storage Group, and then click on My
Storage Group.
2. Now Right-click Mailbox Store, click Dismount Store from the menu.
3. After dismounting the store start NTbackup program.
4. In the Backup Or Restore Wizard, on the Welcome To The Backup Or Restore Wizard
page, click Next.
5. On the Backup Or Restore page, select Restore Files And Settings, and then click Next.
6. On the What To Restore page, in the Items To Restore box, expand File, expand
Mybackup.bkf, select the Server01\Microsoft Information Store\My Storage Group check
box, and then click Next.
7. In the Restore Database Server dialog box, in the Temporary Location For Log And
Patch Files box, type C:\Temporary Logs, select the Last Restore Set (Log File Replay
Will Start After This Restore Completes) check box, and select the Mount Database After
Restore check box. On the Completing The Backup Or Restore Wizard page, click
Finish.
8. If the Check Backup File Location box appears, check that it contains the correct location
of your backup file, and then click OK.
9. When the restore is complete, click Report in the Restore Progress dialog box.
10. Verify that no errors are listed in the backup log, and then close the log.
11. In the Restore Progress dialog box, click Close.

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Backup, Exchange Server, Windows