Internal DNS and Autodiscover
If you are running Windows Server 2012, 2008 or 2019 with internal DNS, you will need to perform the following steps:
- On your remote desktop session, select Start / Programs / Administrative Tools / DNS.
 - Right-click your domain name and select New Alias (CNAME).
 - Under Alias Name enter: autodiscover
 - Under Fully qualified domain name (FQDN) for target host enter: autodiscover.outlook.com
 - Click the Ok button.
 
					