All of you know that there are no storage groups in Exchange 2010 and hence no recovery storage groups as well. A recovery database (RDB) serves the functions carried out by a recovery storage group in previous versions of exchange. Few points need to be understood before we start playing with restore options in 2010.
- You cannot create a recovery database using the console. Use shell instead (New-MailboxDatabase -Recovery -Name RDB -Server “servername” -EdbFilePath "path" -LogFolderPath "path” )
- Recovery database can only be used for 2010 databases. Previous versions are not supported.
- You cannot create mailbox database copies of a recovery database.
- Online maintenance isn't performed on a recovery database.
- You cannot enable circular logging on RDB.
- A recovery database cannot be used to recover public folder data.
- Only one RDB can be mounted on a mailbox server at any time.
- Access to RDB using Outlook or OWA is not allowed.
- Mailbox management policies are not applied on a RDB.
- Mailboxes in a recovery database cannot be connected to user accounts.
- Data from a RDB can be merged to an existing mailbox or exported to a folder.
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