Check the binding order of the NICs on the IPCC Express/VoIP Monitor server : Right-click on My Network Places -> Properties -> Advanced -> Advanced Settings. The primary NIC should be listed first, and the secondary VoIP Mon NIC should be listed second. If it is not this way, make that change and reboot the server.
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.