Win2K3 x64 and Exch2K7

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Backup Exec Version 11d Restore to a new Exch2K7 RSG ended with the following error:

Job ended: Wednesday, March 04, 2009 at 3:26:58 PM
Completed status: Failed
Final error: 0xe0008488 - Access is denied.
Final error category: Security Errors

For additional information regarding this error refer to link V-79-57344-33928

Errors
Click an error below to locate it in the job log Restore- \\CPDL-HKML2\Microsoft Information Store\First Storage Group Unable to restore any content for IT Test 1 [ittest1] because the Microsoft Exchange database that h...

PS. Credential for backup and restore is the some.

Anyone can help me out? Any advises will greatly be appreciated. Thank you.