Unfortunately, this community is observed by experts in MeetingPlace and WebEx Meetings Server (on premise) solutions. For specific WebEx SaaS (in the Cloud) solution, the best way to obtain this kind of information is to call WebEx Support directly and talk to a WebEx Support representative. Contact numbers can be found here:
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.