Connection error from the OPC client with OPC UA

That’s good news!

May I suggest something to help the customer: the 2-hr license would enable all plugins, but the actual features would only be included when the plugin is enabled. The plugins would start disabled by default and the user enables the one or more plugins of interest. After testing with only the intended plugin(s) enabled, the user would have full confidence they are buying the right set of plugins.

Maybe on this screen, each plugin could have a toggle button allowing enable/disable:
Config → System → Overview

@jhottell Looks like 8.1.20 released Aug 23 includes the following feature:

Updated some existing text on the Edge Gateway overview page as well as added a new Cirrus modules section to the page

Documentation link: Edge Gateway - Ignition User Manual 8.1 - Ignition Documentation

I wonder if the OPC-UA Server portion has also been corrected?