I am doing a greenfield deployment for UC. we are using 2 x CUCM 10.0 with 2 x CER 10.0. I have to test the environment and needed to know what services do I disable from the CER serviceability control center to have my Standby CER take over from the publisher/primary CER as i need to test 911 calls from both my CER.
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.