Autodiscovery Setup after domain change.
Hi All, Hope you have all had a nice Christmas. I was hoping someone could confirm something for me. We have recently changed domain names and need to update our autodiscover service, but for the mean time need to keep our OWA web address the same (we have 100+ machines that use Outlook Anywhere). Our setup: Old Domain: domain1.com New Domain domain2.com I want to keep our OWA address as owa.domain1.com/owa but setup autodiscover to be https://autodiscover.domain2.com/autodiscover/autodiscover.xml . If I run the following command, will anything break, or should everything start working once I update the ISA rules? Set-ClientAccessServer -Identity "cas01" -AutodiscoverServiceInternalURI "https://autodiscover.domain2.com/autodiscover/autodiscover.xml" Thanks in advance, Paul
December 29th, 2010 4:36am

The command that you have provided is for internal users only, has nothing to do with the external autodiscover traffic. In most cases it does not have to be changed unless you are using a single name SSL certificate. As you have provided a URL with autodiscover in it, then that is unlikely. Furthermore, the autodiscover address used internally doesn't have to match your external domain at all. As long as it is an address that is on the SSL certificate and resolves to the server then it will just work, as the internal clients that are on the domain will get the autodiscover information from the domain. Therefore have you changed your SSL certificate to reflect the new autodiscover address? If so, then you shouldn't need to do anything else. As long as the certificate contains the correct public names, internal server names etc, then you should be operating as normal. However if the current value of that AutodiscoverserviceitnernalURI is autodiscover.example.com (where example.com is your old domain) then you can change it if you like. It doesn't matter. As long as it resolves, and is in the certificate, then it will continue to work. Simon.Simon Butler, Exchange MVP Blog | Exchange Resources
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December 29th, 2010 10:29am

Thanks Sembee :) Turns out the autodiscover directory wasn't correctly setup ISA rule. I have now added /AutoDiscover/* and ensured the ssl certificate includes the correct Subject names. Thanks for your help :)
December 29th, 2010 3:37pm

Hi, I would like to share the Autodiscover Whitepaper with you, there are the useful information help you understand Autodiscover more clearly: http://technet.microsoft.com/en-us/library/bb332063(EXCHG.80).aspx AllenAllen Song
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January 7th, 2011 1:13am

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