"It’s not showing up," she said.
80, 443, 13000, 13005, 13200, 14000, 14001, 14008, 14020, 14021, 14022, 14023, 14024 Anno 1800 UDP: 18000 to 18010
When a LAN multiplayer game crashes or desyncs, loading the save file incorrectly can permanently corrupt the lobby state. Follow this exact workflow to resume your session smoothly: anno 1800 lan multiplayer fixed
Are you playing via a or an online LAN/VPN setup (like Hamachi)?
: The Steam overlay invitation system is frequently reported as broken. Instead, add each other directly on Ubisoft Connect and invite through the in-game multiplayer lobby or the Ubisoft app. Setting Up a Match How do you best work together in coop mode? : r/anno1800 "It’s not showing up," she said
| Error Code | Meaning | The LAN Fix | | :--- | :--- | :--- | | | Relay server timeout | Switch to Direct Connection . The host is trying to use Ubisoft servers. | | Desync (CTD) | Packet loss | Check your Ethernet cables. Disable WiFi on both PCs if hardwired. | | "Unable to join" | Port 18000 blocked | Manually forward ports OR disable Windows Defender entirely for 5 mins to test. | | Endless Loading | IPv6 conflict | Disable IPv6 on your Network Adapter properties. Force IPv4. |
desktop app. Minimize the game and use the app to right-click a friend and select "Invite to Game". NAT Type & Firewall : The Steam overlay invitation system is frequently
Here is the definitive, long-form deep dive into the status of Anno 1800 LAN multiplayer, how to fix your connection tonight, and why it finally works.
With the right approach, that success story can be yours too.
In the text box, enter 1 (This forces Windows to prioritize this network for LAN discovery). Click OK on all windows to apply the configuration.
Check that you have the green "connected to matchmaking" icon on the middle-right of the screen.