Exchange 2016: OWA does not work, ASP.NET Event 1310

I stumbled across an interesting problem with an Exchange 2016 server. This ASP.NET event 1310 kept appearing as a warning in the event display in the application log: Here is the abbreviated error message: Event code: 3008 Event message: A configuration error has occurred. Event time: 20.01.2016 22:07:48 Event time (UTC): 20.01.2016 21:07:48 Event ID: 6c0bf342123d4f7b8e23253b5ae8030e Event ... Read more