Hello Gary,
Refer to the following link to check the NAS compatibility with backup exec:
Network Attached Storage (NAS) appliance compatibility with Backup Exec 8.x , 9.x, and 10.x.
http://support.veritas.com/docs/237737
Also check the related technotes given in the above technote.Revert in case of queries.
Note : If we do not receive your reply within two business days, this post would be marked �assumed answered� and would be moved to �answered questions� pool.
Regards.