You cannot connect computers directly via a switch to play offline.
If you specifically need a true offline LAN experience without Steam requirements, the community generally recommends the original Company of Heroes (CoH1)
Even if players sit next to each other in the same room, game traffic travels out to the cloud servers and back. A high-speed, local network switch will not speed up game data transfers without adequate external internet download and upload capacity. Client Mismatch Errors
In recent updates, Sega and Relic integrated . This helps route traffic more efficiently. If you find your local games are lagging, ensure all players have their Steam "Networking" settings set to "Always" under the In-Game options to allow Steam to find the fastest local route. Playing Offline: The Community Workarounds company of heroes 2 lan updated
If players struggle to see the lobby or experience random disconnections, open these specific Steam and CoH2 ports in your router’s settings dashboard: : 27015, 27036, 30260 TCP : 27015, 27030, 27036 Disable Bandwidth Hogs
A major technical update in January 2021 modernized the game by shifting it from a 32-bit to a 64-bit architecture . While this significantly improved performance and stability, it did not reintroduce native LAN play. Instead, it focused on enabling crossplay between Steam and Microsoft Store users.
While this allows the game to run without a live internet stream, it often disables the multiplayer menu entirely in newer 64-bit updates. You cannot connect computers directly via a switch
In its current state, Company of Heroes 2 does not feature a pure, offline-only "Local Network" button in the main menu like RTS games of the early 2000s. Instead, the game utilizes a hybrid system.
If you are in a location with , the vanilla Steam version will not allow you to enter the multiplayer lobby. To bypass this for a true offline LAN, players often turn to:
For three hours, the basement became 2011 again. They argued over mine placements. They replayed a single PaK 43 shot in slo-mo. They forgot about emails, about performance reviews, about the world upstairs that wanted them to be calm and reasonable and always online. Client Mismatch Errors In recent updates, Sega and
To play with others, you must have an active internet connection to authenticate via and connect to the Relic servers. 64-Bit Update: A significant technical update transitioned the game to a 64-bit architecture
The “updated” movement is now sustained by modders on COH2.org and GitHub projects like (a lightweight proxy that intercepts Steam matchmaking calls). In early 2024, that bridge tool reached version 2.0, adding auto-configuration for VLANs.
For nearly a decade, Company of Heroes 2 has stood as the gold standard for tactical World War II RTS gaming. However, for a significant portion of its lifespan, the LAN (Local Area Network) functionality felt like a forgotten relic—plagued by connectivity issues, reliance on obsolete Steam networking, and a lack of modern QoL features. But in 2026, the landscape has changed dramatically.