For Exchange Server 2007, the Exchange Troubleshooting Assistant (ExTRA) and Windows PowerShell® included with Exchange 2007 may be used to extract data from a database in an RSG. For information on using these utilities, see the relevant Exchange documentation. For additional information, see How to Recover a Mailbox by Using a Recovery Storage Group at: http://technet.microsoft.com/en-us/library/aa997694.aspx