Let me say: This is an unsupported scenario
Today I decided to do an in place upgrade of my LAB Installation, which means to switch from Microsoft Server 2012 R2 to Server 2016 as operating System. Before I started that upgrade, I made sure to have a proper backup of the database and the cd.latest Folder, because this is a single box installation.
Then I mounted the Server 2016 ISO and started with the installation. The installation itself took quite a while, but it ran through without an error. When I saw that the virtual machine was ready to logon, I actually tried to use RDP, without success. I then logged on through the Hyper-V Console and checked the System Center Configuration Manager Console, and for my surprise, the console started up and had also no error.
I checked the Component status and recognized a lot of issues, which led me to check the IIS Service (World Wide Web Publishing Service; W3SVC). This Service was not started, the startup type was on “Disabled”. Continue reading