It is also interesting the installation of the plugin MSofficekey
That has to be installed on the server and station. It is simple but of great help to manage office licenses.
I have the version 2.0.5 of OCS Server (Ubuntu 12)
Not yet tested it with the version used in Nethserver
http://wiki.ocsinventory-ng.org/index.php/Plugins:MSofficeKey2.1