Both players must have exactly the same settings.
- Ensure that you both have the latest DarthMod Napoleon version correctly installed
(YOU MUST UNINSTALL BEFORE INSTALL!!! (Installation Instructions)
- Ensure that you both have enabled the MP Settings from the launcher.
From the Upper Menu go to Settings->Enable MP Default->PLAY
(Do not change anything else)
Every time you want to play Multiplayer you must do the step 2.