Anno 1800 Lan Multiplayer Fixed -

: This is the big one. Go to your Ethernet/Wi-Fi adapter settings and uncheck IPv6. It fixed constant connection failures immediately.

The Windows Defender Firewall frequently blocks Anno 1800 from communicating across local networks. You must manually grant permissions to bypass this barrier. Open the Windows and type Firewall . Select Allow an app through Windows Firewall . anno 1800 lan multiplayer fixed