Samsung PS50B650 not recognised by Serviio

I have a Samsung PS50B650 currently running Tversity - and having issue with basic .avs not being able to play on TV - have installed Serviio - but Serviio
is not even being recognised as an available server - have tried all available settings in Serio - any hints ???
is not even being recognised as an available server - have tried all available settings in Serio - any hints ???