While Ubisoft’s patch is welcome, many hardcore LAN enthusiasts have moved beyond it. Two major community solutions now exist that “truly” fix LAN multiplayer by bypassing Ubisoft Connect entirely.
The host must select Multiplayer from the main menu, click Public/Private Match , and then click Load Game to select the saved session.
Windows Firewall or third-party antivirus software can block the game's communication ports, leading to the following symptoms: anno 1800 lan multiplayer fixed
is allowed through the Windows Firewall for both Public and Private networks. Troubleshooting Desyncs & Mods
Corrupted temporary files can cause desyncs upon loading a saved multiplayer game. Navigate to C:\Users\[YourUsername]\Documents\Anno 1800\ . Locate and delete the accounts and cache folders. While Ubisoft’s patch is welcome, many hardcore LAN
Corrupted local network cache data frequently prevents the Ubisoft Connect overlay from properly routing peer-to-peer invitations. Flush Network Cache
If you are struggling to keep your friends in the game, follow this comprehensive guide to get your LAN and online multiplayer fixed for good. How to Fix Anno 1800 LAN and Multiplayer Issues 1. Solve the "LR40" Desync Error Windows Firewall or third-party antivirus software can block
If you want to troubleshoot a specific multiplayer error code, let me know:
Good luck, Annoholics! Let me know in the comments if this worked for you. 👇
The absolute most effective fix for local network groups is disabling IPv6. Forcing Windows to utilize IPv4 removes conflict layers during client handshakes. Press the , type ncpa.cpl , and hit Enter.
Players using Wine/Proton on Linux or Steam Deck have reported additional hurdles with Anno 1800 multiplayer: