For anyone else who runs into this, remove or rename the file C:\windows\system32\ccn\ccndir.ini and reboot or otherwise make sure all the services are restarted. Next time you go in, you will be able to go back through first-time setup.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.