[northlandboy]

If I was you, I would just manually upgrade the SC license myself in UserCenter.

I wouldn't bother with the license upgrade tool for just one license. For that matter, I'm almost always working in places where the mgmt server can't connect to the Internet, so there's not much point mucking around with trying to copy files to other systems, etc...

After upgrade, you should still see your NG-level licenses there.

Note that since the modules are still running NG, they need to have NG-level licenses. They won't recognise NGX licenses until they are also NGX. Only the mgmt license actually needs to be upgraded at this point.