Anno 1800 Lan Multiplayer Fixed [upd] ⚡ High Speed

Here's the proven method that works for most players:

The patch is finally here. The LAN party is saved.

Open Ubisoft Connect settings and uncheck "Enable in-game overlay."

: Manually forward UDP Port 18000 in your router to your PC’s local IP address. Note that routers typically only allow forwarding a specific port to one device, which can cause issues if multiple people are on the same local network. Resolving Desyncs (LR40 Error) anno 1800 lan multiplayer fixed

Once everyone appears in the virtual lobby, launch Anno 1800.

Before diving into the fixes, it helps to understand why the game struggles with local connections.

: Ensure Universal Plug and Play (UPnP) is enabled in your router settings. This allows the game to automatically request the necessary ports, which significantly reduces desyncs. Here's the proven method that works for most

Desynchronization (desync) errors occur when different players' game states diverge from one another. This often results in the game abruptly ending with a message stating "The other player has left".

: Ensuring the game is set to bypass firewalls and checking NAT settings (avoiding "Strict" NAT) remains a foundational requirement for stable connectivity. Modern Solutions and Future Outlook Multiplayer not working :: Anno 1800 Community Support

Sometimes "lag" isn't network-related; it's a simulation bottleneck. If one player has a weak CPU, the whole multiplayer session will slow down to match their speed. Note that routers typically only allow forwarding a

Multiple computers on the same local network playing together via online multiplayer (using Ubisoft’s servers) but with very low latency.

Have the host create a private network inside the software. All other players must join this network using the provided network ID. Once connected, launch Anno 1800, and the host's lobby will instantly appear under the local multiplayer tab. 6. Disable Conflicting Network Adapters