We have just installed 2 x Windows Server OS 2 x separate box,
1st - Windows Server 2012 R2 - domain controller
2nd- Windows Server 2016 with Exchange Server 2016
at the moment Outlook (locally) is getting certificate warning, and non-domain based Outlook doesn't connect to Exchange 2016, and Outlook 2016 keeps asking for credentials and it doesn't connect.
We would like to resolve this problem locally and also able to connect externally from Outlook using auto-discover.
We are planning to buy the multi-domain (SAN) certificate, is this problem is going to resolve by installing certificate on Exchange server?
please let us know what we need to do setup AutoDiscover URL to work locally and remotely.
Outlook 2016 was working (from domain based computer) after ignoring the certificate warning but now it keeps asking for credentials and it fails to connect to Exchange 2016. When we tested on Outlook 2010 it works.