I got it to work, however it had to do with the Domain Name. CAR doesn't require the field and it states that the field is for "Default domain if no domain name is specified in recipient's address." I didn't need a domain name since I was using a full address in the send-to with a domain name (e.g., email@example.com). Not quite a bug, but a candidate for a UI clean-up.
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.