don't understand why you would need 2 network cards in a streaming server to do streaming and admin ... but ... there is no reason why 2 networks cards in the same subnet would hurt video quality as long as you are on a switched infrastructure. I know that with certain streaming server s/w makers, 2 network cards is not a supportedc config which may cause problems in and of itself
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.