as far as I'm aware, the ConferenceMe application only exists for Windows, and is not really intended for being used for connecting to MCU conferences from public locations as it has no firewall traversal capabilites.
For connecting to MCU conferences from public locations, the best way would be to use the Jabber Video (Formerly called Movi) software client in combination with a VCS Expressway. Jabber Video works on both Windows and Mac.
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.