After pulling my hair out trying to host a local game for my friends without relying on Ubisoft’s sometimes-spotty servers, I finally found a stable solution. If you want to play Anno 1800 over LAN (or via Hamachi/ZeroTier) with rock-solid stability, follow this guide.
Anno 1800 LAN Multiplayer Fixed: Ultimate Connectivity Guide
However, this does not mean you cannot enjoy a stable multiplayer session with friends in the same room. It simply means that the process requires all players to be logged into Ubisoft Connect (or Steam) online. Once that condition is met, it is absolutely possible for multiple computers on the same local network (LAN) to play together without significant additional issues. anno 1800 lan multiplayer fixed
Anno 1800 utilizes a strict multiplayer protocol that requires all connected clients to be perfectly synchronized. If your system clock drifts by even a few seconds, the game will trigger a desync error (LR40) and boot players from the match.
issues, here are a few options depending on what specifically you fixed. Option 1: The "Desync & Connection" Fix After pulling my hair out trying to host
Scroll down and click the button under the "Synchronize your clock" section. Ensure your Time zone matches your actual location.
For those who want the most reliable experience from multiple PCs in a single location, consider this advanced setup. It simply means that the process requires all
However, based on community discussions (Reddit, Steam, Ubisoft forums), here is a of what “fixing” LAN multiplayer in Anno 1800 actually means — and how players have made it work:
Close Anno 1800 and completely exit the Ubisoft Connect desktop app.
The most frequent cause of invisible LAN lobbies or failed connections is the Windows Defender Firewall blocking Anno 1800 or Ubisoft Connect traffic. Press the , type firewall.cpl , and hit Enter.
If your internet goes down, you cannot technically launch a "multiplayer" match through the traditional method.
