I have not seen an answer to this in any Licensing data. The only way for this to work would be for Cisco to allocate new License files for each cluster that reflected the adjusted DLU totals in reference to the Publisher/License Manager mac address. The only way to know for sure is to fire off a nice email to;
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.