Always use Ethernet. Wi-Fi introduces jitter that the CoH2 engine (Essence Engine 3.0) handles poorly.
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
However, "LAN" in the modern context of CoH2 refers to , which minimizes external lag by routing data through your local switch once the handshake is made with Relic's servers. How to Set Up a CoH2 LAN Session (Updated Method) company of heroes 2 lan updated
Technically, . Unlike the original Company of Heroes , CoH2 was built on Relic’s "Battle-Server" architecture. This means the game officially requires an active Steam connection to authenticate players and sync profiles.
Tools like Goldberg Emulator or Radmin VPN are popular in the modding community to simulate a local environment for CoH2, though these require specific game builds and are not officially supported by Relic. Performance Tweaks for 2026 Hardware Always use Ethernet
One player creates a "Custom Game." Set the visibility to "Public" or "Friends Only."
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: This helps route traffic more efficiently
Large replays can cause "Sync Errors" over local networks. Periodically clear your Documents/My Games/Company of Heroes 2/replays folder.
This guide covers everything you need to know about the for Company of Heroes 2 in 2026. Does Company of Heroes 2 Have a Native LAN Mode?