HTTP OWA Site Not Redirecting To HTTPS

We have Exchange 2010 running on Windows Server 2012 Datacenter. Our OWA site "" has a redirect so when people type it in, it redirects to "".

The redirect works when people type in "https://" but does NOT work if they only type "http://".

When entering just "http://" they get a 403 forbidden error.

We obviously want http to redirect to the "" address.
There already is a redirect in the HTTP Redirect of IIS for this.

Paul WagnerFriend To Robots and RocksAsked:
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Guy LidbetterCommented:
Hi there,

We used our CAS array load balancers to port forward any internal port 80 traffic to 443. And ISA to redirect external traffic.

However if you are using IIS to do this, this article will help you out



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Paul WagnerFriend To Robots and RocksAuthor Commented:
Internal traffic redirects HTTP to HTTPS without an issue. It's the external traffic that isn't doing that. You're saying that it is ideal to set that up on the edge firewall?
Guy LidbetterCommented:
If the firewall has the capability yes, you could easily do that.
Paul WagnerFriend To Robots and RocksAuthor Commented:
Paul WagnerFriend To Robots and RocksAuthor Commented:
Good answer. Had to do some of my own digging but it showed me what I needed to know.
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Microsoft IIS Web Server

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