Run your synchronization. Some times the old one still sits there. Then re-create. Also, you can look at the axl logs on CCM for more details - it should contain the full axl message (since it's https you can't sniff anymore) and it might be useful to have a look at that message.
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.