: All participants must add each other as friends directly inside the Ubisoft Connect desktop client. 2. Hosting the Match
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Anno 1800 requires specific ports to be open to allow P2P data flow. If a player has a "Strict NAT" type, they may fail to join. Port forward the following rules on your router settings: TCP: 80, 443, 13000, 13005, 14000 Anno 1800 Ports: UDP: 18000, 18019 Resolving Continuous Desynchronization (Desyncs)
Anno 1404 - History Edition General Discussions - Steam Community anno 1800 lan multiplayer link
What (e.g., infinite loading, greyed-out invite button) are you experiencing? Share public link
Are you planning to play or against each other ?
However, the existing is robust. For hardcore LAN party enthusiasts, using the "Friends List" method on a closed local network remains the gold standard. : All participants must add each other as
: Ensure every player launches the game with an active internet connection. Confirm that the green "Connected to Matchmaking" icon lights up on the middle-right side of the main menu.
Ensure all computers are connected to the same router (ideally via Ethernet cables) to minimize network latency.
Anno 1800 offers a . It provides the low latency and local discovery benefits of a LAN game, but shackles it to the modern requirement of Always Online DRM. This link or copies made by others cannot be deleted
However, you can still play with people on your local network. The game will automatically prioritize the fastest connection available between players once the session is established through the Ubisoft lobby. How to Start a Multiplayer Session
Because the game links directly to your Ubisoft account, you must add your friends to your Ubisoft Connect friend list before launching the match.
Some antivirus suites (Norton, McAfee, Bitdefender) treat LAN traffic as suspicious.
Anno 1800 supports two distinct styles of multiplayer functionality: