I am trying to install CUP subscriber which is in different sub cluster than the publisher , I am not able to add the subscriber I get the error attached I have enabled access-list as a IP between the servers, but still it is prompting me with the same error,
Also I am getting the error on CUCM subscriber as per the attached.
I have done according to the link below but no success.
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.