We have installed Exchange 2007 on a new server within a single forest environment plesently using Exchange 2003. However we can’t seem to get them to talk. All the test conducted on the 2007 server suggests all is OK, but on the 2003 server it states that the Exchange Admin Group on the 2007 server is unreachable. Also in the Application log we have multiple warnings Event ID 6702 SMTP Send connection failed – connection closed.
I’m at a bit of a loss on what’s missing. Can anyone shed some light on this for us please.
