Invite your friends through the Steam Friends list or have them join your lobby from the "Public Games" list .
Official versions of Company of Heroes 2 (CoH2) do not support LAN (Local Area Network)
: The 2021 update for stability and crossplay (Steam vs. Windows Store) further cemented the need for online connectivity, as it modernized the backend but did not reintroduce legacy LAN features. Server Connectivity : The game must connect to the Relic Lobby Server company of heroes 2 lan upd
Once the match begins, the Steam backend hands off packet distribution directly to your local router via UDP, resulting in a lag-free environment.
coh2stats.com just got a refresh! * Light / Dark mode. * No longer a separate config and limited features for China / Russia users... Reddit·r/CompanyOfHeroes Company of Heroes 2 LAN Party : r/CompanyOfHeroes - Reddit Invite your friends through the Steam Friends list
This is the most common error and usually indicates a problem with a player's connection to Relic's servers.
What specific or connectivity issue are you running into? Share public link Server Connectivity : The game must connect to
In an RTS, determinism is key. The game engine uses a "lockstep" networking model, where the game state advances only when all players acknowledge the current frame. If the Steam Relay server introduces even 50ms of latency, the game feel suffers. In a native LAN environment, latency is typically <5ms. The disparity makes high-level micro-management difficult in the vanilla version of CoH2 compared to its predecessor.
: Ensure your router isn't blocking the game's traffic. Check the Relic Lobby Status to verify your connection to the game's master servers.
: Each player needs their own copy of the game and an active internet connection.