Working with backup sets : Microsoft Exchange Server backup sets (Windows) : Restoring a Microsoft Exchange Server backup set
 
Restoring a Microsoft Exchange Server backup set
Only users with the required permissions can restore Microsoft Exchange Server backups. The procedure for this type of restore is provided below. Steps that are similar to those for File system restores will only be briefly mentioned.
See important information on this type of restore in these Knowledge Base articles:
“Alternate Location Restore of Microsoft Exchange Server 2007 (mailbox recovery)”
“Restoring Microsoft Exchange 2007”