I could test five Client-PC in the same LAN with VLC 2.2.0 and two UPnP-Server (AVM Fritz!Mediaserver, Panasonic DVB-Receiver). Curiously the UPnP problem does not occur on every Windows PC: Intel Pentium 4, 1,5 GB RAM, Win 7 x86: no Servers found Intel Core 2 Duo E6600, 4GB RAM, Win 7 x64: no Serve...