Thats it, now the autodiscover setup of email accounts for that/these domain(s) should work. 4) due to naming disparites in different Outlook versions and case senitivities of most systems, I strongly recommend to also create the following symlinks to the autodiscover directory and autodiscover.xml fileĥ) create the following SRV record in the DNS configuration of your domains (or the global DNS template) - adjust the 'Target Host' field accordingly to the name you've chosen in step 1