To play over a Local Area Network (LAN), you generally need to be online to authenticate with Steam, as the game does not have a native "Offline LAN" mode.
Many long-time fans prefer the Legacy Version of CoH1 specifically because it retains full, offline LAN support for local parties. Gameplay Review (LAN Perspective)
One of the most significant changes came when the game was updated to the Master Collection . This patch did two major things: it made all previously released DLC available to every user, and it converted the game from a 32‑bit executable to a 64‑bit one. For LAN players, the 64‑bit version offers better memory handling and more stable performance – especially helpful when hosting a game with four or more players. company of heroes 2 lan upd
Open the , type "Firewall", and select Allow an app through Windows Firewall . Click Change settings (requires administrator privileges). Scroll down to find Company of Heroes 2 . Ensure both Private and Public checkboxes are ticked.
As of 2026, no official LAN-update patch has dropped. However, the community has kept LAN alive through tools like (virtual LAN over internet) and GameRanger . For pure local play, the console open command remains the gold standard. To play over a Local Area Network (LAN),
(v2.602) of the original game retains a dedicated LAN lobby under the multiplayer menu. You can often use tools like to facilitate these connections on older versions.
This comprehensive guide covers everything you need to know about setting up a CoH2 LAN match, updating your game client for local play, and troubleshooting common connectivity issues. Understanding CoH2's Multiplayer Architecture This patch did two major things: it made
Change your Windows Network Profile status from "Public" to "Private." This allows your computer to actively trust and discover other devices on the immediate local network. Issue 3: Frequent Desynchronization (Sync Error)
| Issue | Fix | |-------|-----| | | Verify all players are on the same update. Go to Steam → CoH2 → Properties → Betas – ensure none is selected (or all pick the same beta branch). | | Windows Firewall/AV | Add RelicCoH2.exe and steam.exe to allowed apps. Temporarily disable firewall to test. | | Steam Networking override | In Steam → Settings → In-Game → uncheck “Enable Steam Networking” if present. | | IPv6 vs IPv4 | Some routers prefer IPv6. Force IPv4 by disabling IPv6 on your network adapter (Windows Control Panel > Network Settings). | | Mod mismatch | Disable all mods for vanilla LAN tests. If using mods, ensure exact copies on all PCs. |
The network profile is set to "Public," blocking local discovery protocols.
Add RelicCoH2.exe to your Windows Defender Firewall exclusion list on all participating PCs.