we are going to install cisco unity 5.0.1 in UM mode. this feature require to extend AD schema. But custome has world wide Active Directory. One of the customer entity has installed unity 4.x in UM mode and the AD schema was extended.
My question is
do you have any recommendation about the new extended schema for unity 5.0.1? What is the impact to that for the current installation of unity 4.x?