Note to myself: RTFM!!! RTFM!!! RTFM!!!!
I tried to update my vCO Appliance to the current Version 4.2.1 using the built-in update-feature (that’s what we have an appliance for). It stucked with the screen “Installing vCO Appliance – 126.96.36.199 Build 612841, please wait…”, and the vCO service was not running anymore. Even a reboot of the appliance didn’t bring the service up again.
To save you this troubleshooting time:
This behaviour is not really expected, but documented in the Known Issues-Section of the vCenter Orchestrator 4.2.1 Release Notes…
Therefore, the complete process to
Update the vCO Appliance to version 4.2.1