To prevent future crashes or connectivity drops mid-game, implement these baseline habits before launching a session:
A major update was released to resolve severe desync issues on PC. This fix stabilized sessions that previously crashed every few hours.
If you are trying to play without a stable internet connection (but still have a LAN cable connecting your computers), or if you want to bypass regional restrictions, you can use a VPN emulator. anno 1800 lan multiplayer fixed
(Note: This assumes you are both using the same game version and have legitimate copies of the game).
If you've tried everything and still can't connect, work through this final checklist: To prevent future crashes or connectivity drops mid-game,
We played a 4-hour session last night with zero desyncs and sub-10ms ping. It feels like a completely different game compared to playing online.
The Windows Defender Firewall frequently blocks incoming client requests during an Anno 1800 multiplayer lobby setup. (Note: This assumes you are both using the
Whether you are using a (like LogMeIn Hamachi or Radmin)
| Protocol | Port Number(s) | Purpose | | :--- | :--- | :--- | | | 80, 443 | Core web traffic and secure connections for authentication | | TCP | 14000 - 14043 | Ubisoft Connect game communication | | TCP | 18000 | Primary game data | | UDP | 3074 | Xbox Live/peer-to-peer networking (used by many games) | | UDP | 18000 | Primary game data (listed as UDP by some sources) |