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Autodiscover problems with Exchange 2007

I'm trying to configure this autodiscover service in Exchange 2007. When I try to connect with a outlook client that is not a part of the domain it fails saying there is no encrypted connection to the server, I then have to manually enter the settings. Even that fails since there is no connection with Outlook Anywhere. I have installed a certificate for the mail domain on the iis. The webmail works normal with this certificate. All external URL is configured with this domain.
When I try to enter the https://mail.domain.com/autodiscover/autodiscover.xml and type the username and password this is displayed.
<?xml version="1.0" encoding="utf-8" ?>
- <Autodiscover xmlns="http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006">
- <Response>
- <Error Time="14:21:17.6562500" Id="779121455">
  <Message>Invalid Request</Message>
  <DebugData />

Also when I do a "test webservices" in the Exchange Shell this is displayed.
  Id                       Type Message
  --                       ---- -------
1003                Information About to test AutoDisc...
1007                Information Testing server intersr...
1019                Information Found a valid AutoDisc...
1005                      Error When accessing https:/...
1006                Information The Autodiscover servi...
1016                    Success [EXCH]-Successfully co...
1015                    Success [EXCH]-Successfully co...
1014                    Success [EXCH]-Successfully co...
1013                      Error When contacting https:...
1016                      Error [EXPR]-Error when cont...
1015                    Success [EXPR]-Successfully co...
1014                    Success [EXPR]-Successfully co...
1017                    Success [EXPR]-Successfully co...
1006                    Success The Autodiscover servi...
1021                Information The following web serv...

Can anyone point me in the right direction? Thanks a lot!
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2 Solutions
You installed a certificate through IIS?
That was your first mistake. You do not install certificates for Exchange 2007 through IIS. Exchange needs to manage the certificates.
Is it a commercial certificate or a home grown certificate? A SAN/UC certificate or a regular single name certificate?

phoenix1976Author Commented:
Thanks for reply, It's a single name certificate. A commercial one.

The error code "600" which you received is by design and confirms that the Autodiscover on the Exchange server is working....but the biggest question is from where did you raise the URL "https://mail.domain.com/autodiscover/autodiscover.xml".....was it from the Exchange server or a client machine were Outlook is running...if you raised it from the Exchange server, then it's of no use....

And before testing Autodiscover externally (Internet), can you confirm if it's working Internally (Inside your office n/w) ?

Also since you have a single name certificate, you need to follow either Scenario# 2 or Scenario# 4 from the Technet article (http://technet.microsoft.com/en-us/library/bb332063.aspx) to configure your Autodiscover to work Externally (Internet).
phoenix1976Author Commented:
Thanks for the replies. I installed the certificate again, and made a external dns entry for autodiscover. Seemed to solve the problem:) The only thing is the certificate warning when setting up the the outlook profile, but I can live with that for now (since I don't have a autodiscover.domain.com certificate) Fixing the autodiscovery also fixed the issue I had with OAB so i'm quite happy. Thanks again for helping me out!

Good to know that your issue is resolved, also check out the KB article "http://support.microsoft.com/kb/940726" which will solve the certificate prompts issue as well.
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