A nice article from the Exchange Team linking to many other very useful articles. https://blogs.technet.microsoft.com/exchange/2016/05/31/checklist-for-troubleshooting-outlook-connectivity-in-exchange-2013-and-2016-on-premises/
A nice article from the Exchange Team linking to many other very useful articles. https://blogs.technet.microsoft.com/exchange/2016/05/31/checklist-for-troubleshooting-outlook-connectivity-in-exchange-2013-and-2016-on-premises/