This option allows for a VPN tunnel from Windows to build your network server and Syn-3.

You are no additional software on your Windows system.
Look here for help and configuration: http://open.syn-3.nl/syn3/trac/default/wiki/help/scc/pptp/editsettings
Products with this option:
urlop http://shop.syn-3.eu/regserver_3/regserver/getinfo.php?opt_id=IP () () urlop