Last weekend my CUC publisher went down, the subscriber should have taken over as the ports stayed registered and the configuration is a HA setup but for some reason until I rebooted the publisher none of my calls would answer unless someone picked the line ringing. I guess you could call it dumb luck as I had been out late, I saw the RTMT alert and was able to reboot the server and no one was the wiser. How do I fix this so that next time the server is supposed to fail over it does.
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.