Exchange 2003, 2007, and 2010 coexistence

Having 3 exchange versions in the same environment can be tricky. Below I have taken a couple screenshots of the way that my virtual directories were set up to proxy from 2010 to 2007.

OWA


This was the big one that gave me the most issues

ACTIVESYNC


ECP


EWS


OAB


Outlook Anywhere (RPC/HTTP)