"Wait," Marcus held up a finger. He tabbed back to his console command center. "The handshake is initiating... it’s pinging... come on, you beautiful piece of code. Acknowledge the connection."
Close the launcher entirely from your system tray.
: 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
: Ensure all players have "Set time automatically" enabled in Windows settings and click Sync now to prevent session desyncs.
On every PC:
The player with the fastest storage drive (SSD) and most powerful CPU should always act as the host.
If using a VPN/LAN tool, ensure your firewall allows the specific app ports! Key things to remember for Anno 1800 multiplayer: No Speed Controls: You cannot speed up time in multiplayer sessions. Co-op Limit: "Wait," Marcus held up a finger
If you still experience disconnections or lag, the following advanced techniques can help.
Before diving into complex network configurations, eliminate the most common surface-level culprits. Both you and your LAN partners must check these parameters: it’s pinging