Restore data using a recovery database in Exchange Server
https://learn.microsoft.com/en-us/exchange/high-availability/disaster-recovery/restore-data-using-recovery-dbs Restore data using a recovery database in Exchange Server 04/30/2025 APPLIES TO: 2016 2019 Subscription Edition A recovery database (RDB) is a special kind of mailbox database that allows you to mount and extract data from a restored mailbox database as part of a recovery operation. RDBs allow you to recover data from a backup or copy of a database without disrupting user access to current data. After you create an RDB, you can restore a mailbox database into the RDB by using a backup application or by copying a database and its log files into the RDB folder structure. Then you can use the New-MailboxRestoreRequest cmdlet to extract data from the recovered database. Once extracted, the data can then be exported to a folder or merged into an existing mailbox. For additional management tasks related to RDBs, see Recovery databases . What...