Exchange OWA Behind ISA
- From: "Dwight Maddox" <dwight_maddox@xxxxxxxxxxx>
- To: isalist@xxxxxxxxxxxxx
- Date: Tue, 9 Apr 2002 06:34:44 -0600
Hello,
I do not know if you guys can help me or not. I do not know if you would
classify this as an ISA problem, Exchange or IIS. But incase, I am
posting the message to IAS list and Exchange List.
I am trying to set up Outlook Web Access behind an ISA Server. The
Exchange server that I want to talk to is on the same box as the ISA
server. It is not the primary exchange server, but it is a member server,
I am trying to put together an exchange front end-back end topology. I
had followed the recommendation of the documentation that I found to have
a DNS A record that would point to the outside address of the ISA server
(outlook.company_name.com). I followed the instructions on TechNet to set
up a destination set for OWA, and to allow traffic with header destination
of outlook.company_name.com to point to the internal web server IP of the
ISA/Exchange box.
Here is my problem. I think that I am missing something about what is
actually going on from an IIS perspective to authenticate to exchange.
From inside the network, you type computername/exchange and either the
server uses pass through authentication to send you to the right mailbox,
or if you do not have a mailbox, then it prompts you for login
information. But I cannot tell you how any of the IIS magic happens with
Exchange. I do not see any ?default? web page or asp that is executing
through the default web site to initiate all of the exchange
authentication stuff. I cannot tell if I am dealing with a problem with
ISA passing information, or if I am dealing with an IIS issue where all of
the right stuff is in the right web space. When I try to hit the DNS name
through a web browser, I get every indication that I am having an IIS
problem and there is no web page defined or some sort of host header
problem.
Does any one know what I am talking about or have you dealt with this
situation, or implemented a like solution.
Thanks in advance,
Dwight Maddox
Network Administrator
Transit Authority, Louisville KY
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