OWA access to multiple backend servers

[Apparently-Exchange-Challenged]

We have an Exchange 2k3 site. I have a Win2k3 Standard server with Exch2k3
Enterprise install as the bridgehead on the inside of the firewall and a
Win2k3 Standard server with Exch2k3 standard as an OWA server in a DMZ. This
works fine.
I just configured a second internal server for our corporate environment and
I'm unable to connect via OWA from outside of our network. Outlook and OWA
works internally without issue. I have temporarily set the second box to a
Bridgehead, it didn't work. I have an MX record for the second box, Have the
OS and Exchange patched to the same level and current, I have auditing
enabled in the Local Security policy and auditing enabled in the registry and
am not getting Failures in the 'Security' event log. In the web logs I'm
getting a 401.1 Authentication Failures. From the OWA server I can ping,
connect and telnet to any availble port or resource. This one has me
stumped. Anyone run across something like this?

 

[seeker01]

I have configured my OWA5.5 at DMZ to connect to 1 Exchange Server from LAN,
not multiple Exchange Servers. Sorry I dont have solution for your question.
But may I know if you experience slowness for logging on to OWA on the
Internet? Or rather do you the possible reasons why I am experience slowness?
Thanks.