Anno 1800 Lan Multiplayer Fixed Patched Jun 2026

A bloated cache can prevent the multiplayer service from initializing: Close Ubisoft Connect. Delete the folder in the Ubisoft Connect installation directory. Restart the client as Administrator 💻 Fixes for LAN (Local Area Network) Unlike older Anno titles, Anno 1800 requires an internet connection to authenticate with Ubisoft servers, even for local play. Online Mode : Ensure all PCs are "Online" in the Ubisoft client. : Assign static internal IPs to prevent mid-game drops. DNS Settings : Switch to Google DNS ( ) if the lobby isn't appearing. 📂 Troubleshooting DLC & Mods DLC Mismatch : If the host owns a DLC that a guest doesn't, the host must disable that DLC when creating the lobby. Mod Loader : All players must have the exact same mods and the same version of the Mod Loader python35.dll ). Even one extra ornament mod will cause a desync. ⚡ Quick Specs for Stability Recommendation Connection Wired Ethernet (Avoid Wi-Fi) Background Apps Disable BitTorrent or heavy Chrome tabs Save Games

Ensure all players have activated or deactivated the same downloadable content (DLC) packages. Mixed DLC ownership can cause immediate lobby disconnects. anno 1800 lan multiplayer fixed

A "Desync" occurs when the simulation state on your computer deviates from the state on the host computer. In Anno 1800, this often manifests as a pop-up window forcing you to reload the game. Match Your Graphics and Gameplay Settings A bloated cache can prevent the multiplayer service

(Note: This assumes you are both using the same game version and have legitimate copies of the game). Online Mode : Ensure all PCs are "Online"

High graphic loads can cause slower PCs to lag behind the host's tick-rate, triggering an LR40 error. Lowering the graphics settings on slower machines reduces this risk. Recommended Virtual LAN Alternatives

Navigate to your local document directory: C:\Users\Username\Documents\Anno 1800\ . Locate the folder named or cache .

Instead of looking for a lobby, have the host send a direct invite through the "Friends" list before the game starts. Quick Checklist for a Stable Game Verify game files on all PCs. Sync Windows time settings. Disable VPNs (unless using Radmin for LAN). Close Chrome or high-bandwidth apps. If you’re still seeing issues, let me know: Are you getting a specific error code (like LR40 or CF04)?