Recomendations for Windows network monitoring
It relies on what you intend to check and also just how much time you intend to take into the arrangement if your display box, yet possibly among these tasks will certainly fit your needs:
Cacti - Can work on Windows or Linux (most convenient to simply make use of the CactiEZ CD however, which mounts virtually as a tool on an extra computer system)
Nagios - Very personalized, can be hard to set up.
Spiceworks - Easy to install, great deals of updates, wonderful user interface, works on Windows.