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Exchange 2003 and IIS 6.0 different server

Posted on 2011-03-18
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Hi,

I have setup 2 servers with Windows Server 2003 R2 Enterprise SP2. Server 1 has IIS 6.0 and Exchange 2003 SP2 (mail server) and server 2 has only IIS 6.0 (web server) installed. Server 1 is my mail server (internal and external) and server 2 is going to host all my websites. So I have port 80 in my router (single public IP address) forwarded to server 2 otherwise my customers cannot reach their websites. In order to use OWA (no SSL or https) on the exchange box I have to forward port 80 to my mail server. How can I configure IIS on server 2, when my customers are using http://owa.domain.com for example, routing OWA trafiic internally to server 1 using server1/exchange. Do I have to create a website or virtual directory? I tried it but cannot forward it ot http://server1/exchange. Am I missing something? Doing something wrong? What is the best way?

Thanks in advance!
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Question by:djaycee
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Expert Comment

by:needleboy
ID: 35168067
Hi there,

the best way is to connect to OWA over secure connection (HTTPS).
Just forward TCP port 443 to server 1 and use HTTPS instead of HTTP.

Marko
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Author Comment

by:djaycee
ID: 35168090
Hi Marko,

Thanks for your answer but that's just what I don't want. And also can't do because some of my customers use https also...

Hans
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Expert Comment

by:needleboy
ID: 35168170
Hi djaycee,

You must implement better firewall solution like Microsoft ISA/TMG server.
You can route traffic like that using Microsoft IIS.
Microsoft ISA is L7 firewall and can filter traffic using the dns names used for your websites.
Almost unlimited number of internal websites and inside hosts are supported.
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Author Comment

by:djaycee
ID: 35168185
Hi Marko,

Ok, and if no ISA present, are there any other solutions?
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Expert Comment

by:Lee W, MVP
ID: 35168195
Another public IP or use a different port.  I've never heard of a way to "extract" OWA off the Exchange server.  You might be able to add a second exchange server to be a front end server - if you wanted to spend money on another exchange license.
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Accepted Solution

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djaycee earned 0 total points
ID: 35309029
Hi Everyone.

Thanks for the comments. I've tried some things and with a litle help from everything I read I did it. Open port 81 on the firewall and letting all traffic for OWA being routed through server 2 (only IIS) to server 1 port 81. This did the tric and everything is working like I planned it. Now you only see in the address bar that OWA is routed to port 81. Well that's something I can live with. Maybe in the future I get that right too. But for now it's OK. Thanks for the help.
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by:djaycee
ID: 35349232
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