The game you want to play MUST be in every player and/or spectator's gamelist.6.3 Netplay Between Different Recompilers.5.7 = Using Wii Remote Netplay prior to 5.0-17527.5.5 Pokemon Colosseum and Pokemon XD Netplay.
5.2 Setting up Standard Controllers When More Than One Player is on a single PC.5.1 Setting Up Standard Controllers for Netplay.4.1 Configuring Netplay Buffer and How to use the Data Tab.