Steam Authentication Failed
Tags: steam, authentication, troubleshooting, server
Steam authentication failures block players from joining. The issue is usually Steam outages, clock drift, or a mismatched login state.
Fast checks
- Confirm Steam services are online.
- Restart Steam on the client and retry.
- Sync system time on the server host.
Server-side fixes
- Restart the server to refresh Steam session.
- Verify the server is not launching with offline flags.
- Update server files via SteamCMD.
Related Articles