VCSA 6.7 Upgrade error – The mystery of how the installer connected to the wrong VM

When trying to upgrade our lab vcenter from 6.5 to 6.7 this week we encountered a strange error.

Our lab environement is running vSphere 6.5 on VCSA and we are running with an external PSC. So when starting the upgrade of the PSC I got an error early in the process, while connecting to the source VCSA.

Error when deploying appliance

 

I had remembered that I’ve seen some strange errors before if the root password of the appliance was expired. This was not the case here, but I did change the password and reboot the appliance to see if that solved the problem.

As I got the same error on the next try I tested an earlier 6.7 (the GA) version to see if that had the same error and it failed on that as well.… continue reading