PlainError

Roblox Error Code: 279 ID = 17: Failed to connect to the Game

Last checked 2026-10-26 · 3 fixes · reviewed answer

TL;DRThis error means your Roblox client could not reach the game server, usually because of a network block, firewall, or temporary connection problem.

Most likely cause: Firewall, antivirus, or router settings blocking Roblox traffic

Try first: Restart your computer and router

Likely causes

  1. Firewall, antivirus, or router settings blocking Roblox trafficmost likely
  2. Temporary Roblox server outage or high trafficpossible
  3. Local network instability or ISP restrictionspossible
  4. Corrupted Roblox installation filesless likely

How to fix it

Safest first: SafeChanges settingsDangerous

  1. Restart your computer and routerSafe

    Power off your router for 30 seconds, then restart your PC and try joining the game again.

  2. Temporarily disable firewall and antivirusChanges settings

    Turn off Windows Firewall and any antivirus for a test, then attempt to join a Roblox game. Re-enable them afterward.

    ⚠ Disabling security tools reduces protection until re-enabled.

  3. Run Roblox as administratorChanges settings

    Right-click the Roblox shortcut and select Run as administrator, then try connecting.

If that didn't fix it

Test the game on another network such as mobile hotspot.

When to see a technician

Contact Roblox support if the error continues on multiple networks or devices.

Quick answers

What does Roblox Error Code: 279 ID = 17: Failed to connect to the Game mean?
This error means your Roblox client could not reach the game server, usually because of a network block, firewall, or temporary connection problem.
What causes Roblox Error Code: 279 ID = 17: Failed to connect to the Game?
Firewall, antivirus, or router settings blocking Roblox traffic. (most likely) Temporary Roblox server outage or high traffic. (possible) Local network instability or ISP restrictions. (possible) Corrupted Roblox installation files. (less likely)
How do I fix Roblox Error Code: 279 ID = 17: Failed to connect to the Game?
Try these in order, safest first: 1. Restart your computer and router. 2. Temporarily disable firewall and antivirus. 3. Run Roblox as administrator.
What if that didn't fix it?
Test the game on another network such as mobile hotspot.
When should I see a technician?
Contact Roblox support if the error continues on multiple networks or devices.
Did this fix it? Report a problem

Related errors

gamesGame crashed: Exception code 0xc0000005 (EXCEPTION_ACCESS_VIOLATION)gamesSteam Error code: -118 (unable to connect to the server)gamesMinecraft exit code 1: Game crashedgamesBattlEye: Failed to initialize. Game launch failedgamesFailed to load steamui.dllgamesFortnite Easy Anti-Cheat error 30005: CreateFile failed with 32

All PC games errors →