Exchange 2010 RPC Client Access
Perhaps the most significant change between Exchange 2007 and Exchange 2010 is the move to channel Outlook connectivity through the CAS role. In Exchange 2007 Outlook would connect to the mailbox role, whilst other protocols (POP, OWA, IMAP etc.) would leverage the CAS role.
In Exchange 2010 this means that we now find two new services installed on the CAS role:
- RPC Client Access
- Address Book servic