Current solution: Unity 3.1.3 with Exchange 5.5 (on separate box), Unified messaging, and 2003 Active Directory.We want to upgrade to Exchange 2003 but I found out that this will break Unity if we don't upgrade to 4.x first.My plan is to first upgrad...

Just got done migrating a 2.4.6 VM only w/NT 4.0 and Exch 5.5 installation to another server running 4.0.4, Win2k AD and Exch 5.5. Everthing was working fine except there was no option to create a new Exchange subscriber in Unity - it had to be crea...