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Hi, <br />
<br />
I have an Exchange 2010 residing behind a NAT router and is trying to configure Autodiscover. <br />
<br />
Is that even possible?<br />
<br />
SSL(443) redirects from the firewall to the Exchange. <br />
Webmail is functioning and is using SSL (443) Could that cause additional issue as the 443 is a redirect for webmail and autodiscover ?
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Hi, 

I have an Exchange 2010 residing behind a NAT router and is trying to configure Autodiscover. 

Is that even possible?

SSL(443) redirects from the firewall to the Exchange. 
Webmail is functioning and is using SSL (443) Could that cause additional issue as the 443 is a redirect for webmail and autodiscover ?

Exchange Autodiscover Issue

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

HTTPS is a protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Transfer Protocol (HTTP) within a connection encrypted by Transport Layer Security (TLS) or its predecessor, Secure Sockets Layer (SSL). The main motivation for HTTPS is authentication of the visited website and to protect the privacy and integrity of the exchanged data. HTTPS is widely used for protecting page authenticity on all types of websites, securing accounts and keeping user communications, identity and web browsing private.