I'm upgrading an on-premise installation form V10 to V11.
I took the following parameters in the checklist:
A bit further, it states to open the configuration tool on the FE and apply and exit.
I'm missing the step of importing the hsconf from the deployment controller on the front-end.
When using the checklist for a "first install" it is indicated:
During an upgrade, it might also be necessary to copy the configuration.
In this case (V10 to V11), RabbitMQ was added to the configuration tool so the config needs to be loaded on the upgraded FE server.
I'd suggest to improve the checklist a bit to make it more clear.