Last week, someone at work approached me, stating that he was unable to log into the web interface of a VMware Server machine. I was shocked to learn that we still had a VMware Server up and running. Then, I tried to log into the web interface myself and received an SSL error as well.
It turns out the machine was standing under someones desk and still had one single VM running. In order to migrate the machine to our ESXi infrastructure and fix the problem, I examined the logs on the server and found this: