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Adub65

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Reverse Proxy for OWA

So I got my setup working with Essentials as my DC and a separate box running Exchange Server 2013. Integration of Essentials with Exchange Server works great. Mail flow works fine. My problem is accessing OWA externally from the internet. I set my Virtual Directories to use the same URL's and it works fine internally.

You mentioned using a smart reverse proxy. I installed ARR according to MS TechNet article (http://technet.microsoft.com/en-us/library/jj200172.aspx) Is there more information on configuring the reverse proxy? I'm guessing this has to be done in IIS with HTTP re-direct?

I have only 1 NIC and 1 public IP address from TW Cable.
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Cliff Galiher
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That article sets up everything you need. All traffic at your edge goes to the essentials server. Essentials, using ARR, looks at the URL and will proxy exchange traffic as necessary.
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Adub65

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So is the problem in my private DNS or public DNS? When I try to access OWA externally I get the 404 error.
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Simon Butler (Sembee)
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If RWA works and if you've configured jt properly then likely an ARR issue, not DNS. But you have to follow the traffic to be sure. Network monitor...
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ASKER

So this blog article says I should have 2 NICs and 2 Public IP Address?
That is not required.
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ASKER

OK. I will give it a try.

Thank you.
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ASKER

Worked like a charm! Thanks guys :)