"ciscoEcsbuDestinationType" is not found in the Active Directory Attributes after schema was extended for our Unity 3.1(5) installation.
All other Active Directory Attributes listed on the White Paper were present in our Active Directory.
Not listed on the White Paper but found in the Active Directory Attributes was "ciscoEcsbuSubscriberDestinationType"
White Paper: Cisco Unity Data and the Directory (With Microsoft Exchange)
Please advise if Active Directory Schema needs extending again or advise how to proceed.