We help IT Professionals succeed at work.

Check out our new AWS podcast with Certified Expert, Phil Phillips! Listen to "How to Execute a Seamless AWS Migration" on EE or on your favorite podcast platform. Listen Now


Autodiscover for a different mail address space

ITSCSomerset asked
Medium Priority
Last Modified: 2012-05-07
Hi all,

i could use your thoughts on the following situation:

we have an exchange 2007 platform that has a public URL of mail.mydomain.com, but have user mail addresses under a sub domain, user@sub.mydomain.com.

in order to get autodiscover working, will i need to DNS records for autodiscover.sub.mydomain.com, and of course publish the site, with a valid cert, for that url as well...or could i perhaps use a forwarder in DNS so that when they enter their mail address, it looks for autodiscover.sub.mydomain.com which points them at autodiscover.mydomain.com, which returns the target IP and so eventually resolves against autodiscover.mydomain.com or mail.mydomain.com

hopefully that makes sense? essentially i've published the autodiscover.mydomain.com with a cert for it, and then tried to use autodiscover and of course it wont resolve to a valid exchange server because the users mail address is in a sub domain...so presumably its looking for autodiscover.sub.mydomain.com...which i have not published, and i need to find a way around this.

Watch Question

Expert of the Quarter 2009
Expert of the Year 2009
Unlock this solution and get a sample of our free trial.
(No credit card required)


thanks Simon, thats all i need. we host our own public DNS, and i know we do support SRV records. Its replicated to an external DNS provider as well howevwer and i'll double check with them.

i am however somewhat curious as to how outlook 2007 will search for the relevant SRV record...as i say, surely it will search for a record for the users mail address space, which as mentioned is a sub domain of the actual published site.
Expert of the Quarter 2009
Expert of the Year 2009

Autodiscover SRV records method.


Unlock the solution to this question.
Thanks for using Experts Exchange.

Please provide your email to receive a sample view!

*This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.


Please enter a first name

Please enter a last name

8+ characters (letters, numbers, and a symbol)

By clicking, you agree to the Terms of Use and Privacy Policy.