Re: No progress the UnityUninstall in the first step
Just as an aside here - you probably left a number of users in your directory "tagged" with Unity properties so if/when you go to import them into another Unity server you install they wont show up for import. You'll have to use the Remove Subscriber Properties tool on those users when you want to import them.
Also, yes - removing properties on standing objects can be slow - it depends on the connection to the domain controller(s) in question. And Windows will very often report a tool that is busy is "not responding" - you can never trust that as an indication that the tool is locked. The progress bar is moving, it is working and Uninstall will eventually finish.
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.