When trying to switch from a 2003 Exchange partner server to a 2007 Exchange server the reconfiguration guide states to "Configure Offline Address Book (OAB) Distribution for Outlook 2003 and Earlier Clients".Does anyone know why this should be done?...

I am used to installing Unity in a voice-mail only setup using only 1 Windows 2000 server. This server then hosts Active Directory, Exchange, SQL and the Unity application.Reading through the various PDF documents downloadable from Cisco.com I realis...