Unable to perform GRT restore of individual mailbox from a Exchange 2007 GRT backup Set.
Error in Job Log :
Final error: 0xe000848c - Unable to attach to a resource. Make sure that all selected resources exist and are online, and then try again. If the server or resource no longer exists, remove it from the selection list. Edit the selection list properties, click the View Selection Details tab, and then remove the resource
Error in SGMON Debug on Exchange Server :
REMSRV: [09/19/13 16:09:52]  2013-09-19T16:09:52.160 [fsys\mb2\mapiprov] - ConfigureMsgService() MAPI_FAILED - return code 80040115.
MONAD: [09/19/13 16:09:52]    Exchange2007Component::ValidCredentials
REMSRV: [09/19/13 16:09:52]  2013-09-19T16:09:52.207 [fsys\mb2\mapiprov] - HrCreateProfile(): Profile 'Backup Exec Exchange Agent 6ddf2a23.00001c80' successfully created
REMSRV: [09/19/13 16:09:52]  2013-09-19T16:09:52.285 [fsys\mb2\mapiprov] - ConfigureMsgService() MAPI_FAILED - return code 80040115.
This issue can come up if Outlook 2010 is installed on Exchange Server
1) Uninstall Outlook and MAPI CDO from Exchange.
2) Reboot the Exchange Server
3) Install MAPI CDO from http://www.microsoft.com/en-us/download/details.aspx?id=1004
4) Reboot the Exchange server
Exchange 2007 on Windows 2003 x64 Bit