Network license requires a TCP/IP connection.
nanoCAD should be installed on every PC which will use it. Nanosoft License Server - to one of PCs. You request the license from the License Server, then connect nanoCADs with License Server through the Registration Wizard.
Network license provides installing nanoCAD to any number of PCs, but no more than number of paid PCs will be able to start nanoCAD at the same time.