Redirect has been working fine to when users connect to http://owa.company.com they get redirected to a log in page at https://owa.company.com/owa. It's just using the redirect setting in IIS. Then today I created a new ssl certificate and replaced the old one on this Exchange server. Now, I can connect directly to https://owa.company.com/owa just fine and it shows it is using the new certificate, however if I go to http://owa.company.com then I get a 403 http error.

It does work if I go to https://owa.company.com, then it will still redirect to the /owa site, but if I use plain http, then I get the errror.

I'm stumped!! I've tried unchecking the redirect setting, restarting IIS and re-enabling the redirect setting, which did no good. Everything else I've found with googling either has no solution or just gives instructions for enabling the redirect setting.

Again: this was working fine until I renewed the ssl certificate.

  • As a workaround, I have disabled the "require ssl" rule on the default site, which then lets the redirect happen. – James Mar 14 '12 at 13:11

Exchange likes to set "SSL Required" on the IIS Web Site, which will cause this error for HTTP. Check the info under "For a Configuration in Which SSL is Required on the Default Web Site":


  • Those are the instructions I followed. That is how it is setup. It's almost like it is hitting the "require ssl" rule before it is hitting the "redirect" rule. – James Mar 14 '12 at 13:06

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