Having just recently gone through this with CCM 4.1(3), I agree with all that eug-c stated. In addition, if you are using Unity, you will need to reconfigure the TSP settings on the Unity server. In my particular situation, I did the following. On the Unity server, go to Control Panel, Phone and Modem Options, Advanced and select Cisco Unity-CM TSP. From there select configure and you should see the IP address of your call manager(s). Change these and restart the Unity services and you should be good.
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.