please always read carefully all the info, notice the 7 number for foot note:
McAfee Antivirus -->>>> 7
Enterprise 8.0.0 Patch
this is what it means
7 You can install third-party antivirus agents on Windows-based servers such as Cisco Customer Response Solutions (Unified Contact Center Express) and Unified Operations Manager, but not on non-Windows appliances such as Unified Communications Manager and Unified Communications Manager Business Edition.
short answer is NO ANTIVIRUS IS SUPPORTED IN ANY APPLIANCE SERVER FROM CISCO
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.