So I just built a new terminal server, Windows Server 2008R2sp1. Outlook will resolve my Exchange CAS array within seconds, but won't actually fire up. Says the server is unavailable.
HTTP(Outlook Anywhere) works fine.
All of my other clients seem fine, my other terminal server is fine.
I've re-installed Office multiple times, even rebuilt the server entirely(its a VM), same problem.
I'm obviously missing something here... the question is, what?