: Ensure every player has updated their game to the same version. If one person has a pending update, they won't be able to join the lobby.
Have you successfully set up a LAN link? Share your tips in the comments below! anno 1800 lan multiplayer link
For the best experience, ensure everyone has the same DLCs enabled. If the host has content that the guests don't, that content will be disabled for the session. : Ensure every player has updated their game