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Sanjay Sikdar

Sanjay Sikdar

Software developer who enjoys developing software, solving challenges, and programming.

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© 2026 — Solid Nexus

Anno 1800 Lan Multiplayer Fixed Now

: Rather than using Steam's internal invite system, players often find success by minimizing the game and using the "Friends and groups" tab in the Ubisoft Connect client to send direct invites.

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 anno 1800 lan multiplayer fixed

Anno 1800 uses specific ports to communicate. If your router’s firewall is too strict, you’ll never see your friends’ lobbies. UDP: 18000, 18017, 3074, 3478, 4379, 4380, 27015, 27016 : Rather than using Steam's internal invite system,

: Rather than using Steam's internal invite system, players often find success by minimizing the game and using the "Friends and groups" tab in the Ubisoft Connect client to send direct invites.

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

Anno 1800 uses specific ports to communicate. If your router’s firewall is too strict, you’ll never see your friends’ lobbies. UDP: 18000, 18017, 3074, 3478, 4379, 4380, 27015, 27016