I wonder if separating the MeetingPlace Application server from the Media Servers by a firewall is a big issue.
Look at the attached diagram. I was planning to put the MP Application servers on the same VLAN as my CUCM cluster, but I would keep the MP Media Server not firewalled. There will be in the same DataCenter, most likely in the same switch, but separated by a firewall.
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.