User Report

ARC Raiders Error AREX0003

Error Code

AREX0003

CONNECTION TO GAME SERVER LOST

The error comes when try to start a game, even during playtest.

Device

Windows PC

The error comes while starting the game

The game should start without any error

Others have confirmed they’re seeing this too.

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Community-reported solutions that may help.

— UserWindows Pc
1. Restart your computer and internet router, then relaunch the game. 2. Temporarily disable your antivirus/firewall or allow the game through it. 3. Turn off crossplay from the game settings and try again. 4. Disable any VPN you are using and relaunch the game. 5. Allow your PC to bypass DNS rebind protection in your router settings. 6. Set matchmaking location to Automatic instead of a specific region. 7. Update your graphics drivers to the latest version. 8. Switch from Ethernet to Wi-Fi and check if the error persists. 9. Try connecting to a different Wi-Fi network or mobile hotspot.