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NetVault Plug-in for Exchange 11.3 - User Guide

Introducing NetVault Backup Plug-in for Exchange Defining an Exchange data protection strategy Planning your Exchange Server deployment Installing and removing the plug-in Configuring the plug-in Backing up data Restoring data Troubleshooting

Restoring data to a Recovery Database (RDB) in Exchange 2010 and later

Because Exchange 2010 and later do not use Storage Groups, it includes the RDB feature as a replacement for the RSG. An RDB is similar to RSG in that it is a special database that is created to hold a restored database where data can be extracted without disturbing user access. The RDB enables the recovery of accidentally deleted mailboxes and other email items, as well supporting data recovery for legal inquiries.

You can find a complete description of RDBs and their usage in the relevant Microsoft Exchange documentation. For more information, see Recovery Databases at http://technet.microsoft.com/en-us/library/dd876954.aspx.

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Supported Backup Method: VSS only

The following procedures illustrate the steps required to establish an RDB in Exchange 2010 or later, and how to use NetVault Backup to restore backed-up data to it. To create an RDB, use the Exchange Management Shell.

Creating an RDB for Exchange 2010 and later

1
Open the Exchange Management Shell.
2
Enter the following command:
New-MailboxDatabase ‑Recovery ‑Name <RDB_Name> ‑Server <Exchange_Server_Name>
 
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IMPORTANT: When you create the RDB, do not use Mount-Database. If the database is mounted, the initial Exchange Server database transaction logs are generated. These logs might interfere with the restore job and cause it to fail.

You can find complete instructions for this procedure in the relevant Microsoft Exchange documentation. For more information, see Create a Recovery Database at http://technet.microsoft.com/en-us/library/ee332321.aspx.

Restoring data to an RDB for Exchange 2010 and later

With the RDB successfully created, you can restore data to it by completing the steps outlined in Renaming Storage Groups/Mailbox Databases. Amend those steps to including the following steps:

1
After you select the Rename to check box in the Rename/Relocate dialog box, enter the name of the RDB in the text box to direct the backup to the RDB.
2
On the Create Selection Set page, click Edit Plugin Options, and select the following options on the Restore and Recovery Options tab:
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Set ‘This database can be overwritten by a restore’ Flag for Databases (Not Required for ESE Restores to Original Database)
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Perform Recovery (Enable only on Last Step in Restore Sequence)
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Mount Databases after Recovery
3
If you created the RDB on an Exchange Server that is not the active server, select the applicable NetVault Backup Client from the Target Client list on the Create Restore Job page.
In a DAG, the plug-in automatically directs the restore job for an RDB to the active server in the cluster. If you created the RDB on an Exchange Server that is not the active server, select the client in the Exchange Server that hosts the RDB.

Extracting the data from the RDB for Exchange 2010 and later

After you have restored the database to the RDB, use the Exchange Management Shell to extract the data from the RDB to the active mailboxes.

The following example restores a mailbox for a user named Scott from the RDB named RDB1:

New-MailboxRestoreRequest -SourceDatabase RDB1 -SourceStoreMailbox Scott -TargetMailbox Scott_Recovered -AllowLegacyDNMismatch

The optional AllowLegacyDNMismatch parameter lets you restore the source mailbox to a mailbox that does not have the same legacy DN value.

You can find complete instructions for this procedure in the relevant Microsoft Exchange documentation. For more information, see Restore Data Using a Recovery Database at http://technet.microsoft.com/en-us/library/ee332351.aspx.

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