Some routers block multicast or peer-to-peer traffic even on LAN. Last resort:
Uninstall any existing Visual C++ Redistributables (2005, 2008, 2010) and reinstall the original versions from Microsoft. lord of the rings war in the north 3 player lan fix
A major bug appears if you try to load a mid-campaign save with 3 players. The game tries to restore inventory states for missing players and corrupts the session. Some routers block multicast or peer-to-peer traffic even
Fix: Always start a LAN session from a Chapter beginning (The loading screens with the map of Eriador). Never load an "Auto-save" with 3 players. If you finish a chapter and see the "Victory" screen, have everyone quit to the main menu and re-host the next chapter. If Player 3 still cannot connect, work through
If Player 3 still cannot connect, work through this matrix:
| Symptom | Likely Cause | Solution |
| :--- | :--- | :--- |
| "Failed to Join" immediately | Windows Firewall blocking the EXE | Add WarInTheNorth.exe to the allowed apps list (Public & Private). |
| Player 3 sees "Server Full" when only 2 are in | The host's MaxConnections defaulted to 2 | Re-edit UserSettings.ini and set Read-Only. |
| Crash upon selecting character | PhysX mismatch | Reinstall PhysX Legacy on Player 3's PC. |
| Extreme lag / Teleporting | Nagle's Algorithm enabled | Verify DisableNagle=1 in the INI file. |
| Player 3 loads but then desyncs (enemies are invisible) | Different game version | Check all three EXEs have the same file size and CRC32 hash. |