Title : Disaster recovery of a Local Windows 2000 or Windows 2003 computer (includes non-authoritative restore of Active Directory for a domain controller)
http://support.veritas.com/docs/236240
Also apply the service pack2 for backup exec and try the resotre:
Title : VERITAS Backup Exec (tm) 9.1 for Windows Servers revision 4691 - Service Pack 2
http://support.veritas.com/docs/275247
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