Your client has used the Cisco Unity Disaster Recovery Backup utility to back up the Cisco Unity version 4.0(3) Unified Messaging server. The client has decided to perform the restore to a new server installed with Cisco Unity version 4.0(4). Which statement is true?
A.
The restore will be successfully only of the new server meets the same Platform Overlay requirements as the backed-up server.
B.
The restore will fail because the Cisco Unity version level must remain consistent between the old and new series.
C.
The restore will fail unless Cisco Unity is licensed for such an upgrade.
D.
The restore will be successful only if the old and new servers both have SQL, but not MSDE, installed.