Are you using the official or a specific standalone/community version ?
Since native LAN is absent, players at the same physical location must use the standard online multiplayer features. Requirements
By updating the game's old codebase, players hosting custom lobbies side-by-side no longer face the notorious "1 in 3 games" hard crash. It allows modern multi-core processors to handle intense 4v4 matches with smooth framerates. How to Set Up a "Pseudo-LAN" Party for CoH2
If a strict offline LAN environment is required, the community recommends the Company of Heroes 1 "Legacy Edition company of heroes 2 lan upd
When Company of Heroes 2 launched, it moved away from the traditional peer-to-peer and direct LAN networking architecture of the 2000s. The modern version relies entirely on Steam for user authentication, lobby matchmaking, and DRM. This means an active internet connection is mandatory to log in and start a lobby, even if all physical PCs are sitting in the same room. The 64-Bit Update
Remember that The Western Front Armies and The British Forces need to be purchased through Steam to be accessible in your multiplayer or skirmish games.
In some scenarios, hosting a custom game while offline on a local network might allow connection, though this is unreliable due to Steam account validation. 4. Tips for Maintaining Your CoH2 Installation Are you using the official or a specific
Purchase the game on a second, separate account for the second machine (CoH2 is frequently on sale).
CoH2 hates multiple active network adapters (WiFi + Ethernet).
One player creates a "Custom Game" lobby. Other players on the same network should see the host in their Steam friends list and can be invited directly. It allows modern multi-core processors to handle intense
If you are playing next to each other on the same network and experiencing lag or disconnects, try these fixes:
It's essential to understand Company of Heroes 2 's technical reality from the start. While the game officially supports LAN play as a feature, it does not support a traditional, fully offline LAN mode. The game’s multiplayer system is built on a hybrid model that requires a connection to Relic Entertainment's matchmaking servers to coordinate and launch matches.