The Steam Error Code 211 in Marvel Rivals usually appears as: ❌ “Failed to connect to Steam. Error Code: 211”. This error is a connection/authentication failure between the game and Steam.
It often occurs when:
Steam is not running correctly
There’s a network issue
There are corrupted files
There are firewall or DNS issues
✅ How to Fix Marvel Rivals Steam Error Code 211
🔁 1. Restart Steam and the Game Properly
Fully close Steam (via Task Manager).
Reopen Steam as Administrator.
Launch Marvel Rivals from within Steam, not from a desktop shortcut.
🔍 2. Verify Game Files in Steam
Corrupted files can cause this error.
Steps:
Steam → Library → Right-click Marvel Rivals → Properties
Go to Installed Files tab → Click Verify integrity of game files
🌐 3. Flush DNS & Reset Winsock
Fixes underlying network misconfigurations.
Run Command Prompt as Administrator, then enter:
Then restart your PC.
Also Read : DBD Error Code 8012 Dead by Daylight
🌍 4. Change DNS Settings
Switching to public DNS can resolve connectivity issues.
Use Google DNS:
Go to: Control Panel → Network & Internet → Network Adapter Settings
Right-click your active connection → Properties → IPv4
Set:
Preferred:
8.8.8.8Alternate:
8.8.4.4
🔥 5. Allow Steam & Game Through Firewall
Steps:
Go to Windows Security → Firewall & Network Protection → Allow an app through firewall
Add Steam.exe and Marvel Rivals executable
Ensure both Private and Public boxes are checked
If you’re using a third-party antivirus, either:
Whitelist the game
Or temporarily disable the firewall to test
🧹 6. Clear Steam Download Cache
Steam → Settings → Downloads → Click “Clear Download Cache”
This logs you out, so log back in after.
🛡️ 7. Run Both Steam and Game as Administrator
Right-click Steam → Properties → Compatibility → ✅ Run as Administrator
Do the same for Marvel Rivals if launching from its folder
🌐 8. Try a VPN (Optional)
Some regions may have Steam or server issues.
Try using a VPN (e.g., ProtonVPN, Windscribe, etc.)
Be sure Marvel Rivals doesn’t ban or flag VPN usage in ToS.
🔄 9. Reinstall Marvel Rivals
If all else fails:
Uninstall the game
Manually delete leftover files from:
Reinstall via Steam
🆘 Still Not Working?
You may be dealing with:
Steam server-side issues
Beta game bugs (Marvel Rivals is in closed testing/phases)
Regional blocks
You can also check:
Marvel Rivals Discord
Steam forums or Reddit threads
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