We will have one customer using the school administration app. If we implement a second app (budget control app) for this customer, does he have to buy another client license? Or does he still have to buy licenses for the number of concurrent useres on the server, independent of the application they use?
If he is running both solutions (apps) from the same server he can use the same licenses.
Of course when he opens 2 clients to load 2 different apps that he will be using 2 licenses.
So you can have 10 solutions on your server and still only have 1 client license. It just means you can have only 1 solution at a time open.