How to Fix Error Code 279 in Roblox

Roblox Troubleshooting Guide

Error Code 279

“Failed to connect to the game (ID = 17: Connection attempt failed)”

Last Updated: June 2026

Roblox needs a stable connection between your device and its game servers every time you press that green Play button. Most of the time the handshake happens in a second or two and you never think about it.

But sometimes the connection never gets through and Roblox kicks you back to the lobby with the caption “Failed to connect to the game. (ID = 17: Connection attempt failed.)” followed by Error Code 279.

This error simply means your device tried to reach the game server and the attempt timed out. It usually shows up right after a long loading screen, and it can hit one specific game while every other game joins just fine.

The good news is that Error Code 279 is almost always fixable from your side. In most cases the problem sits somewhere between your internet connection, your firewall, or the game itself.

Well, before you start blaming your Wi-Fi provider, check our list of common causes below. One of them is very likely the reason you keep getting kicked while joining.

What Causes Error Code 279?

Common Causes:

Slow or unstable internet – A weak Wi-Fi signal or an overloaded connection can make the join attempt time out before the game server answers.
Firewall or antivirus blocking Roblox – Windows Firewall and some antivirus tools treat Roblox as an unknown app and silently block its connection to the server.
Ad blockers and browser extensions – If you play through the browser, certain extensions interrupt the scripts Roblox needs to connect you to a game.
The game itself is broken or too heavy – Massive maps and badly scripted games can fail to load in time, which triggers the same error on every join attempt.
Roblox server problems – When Roblox servers are having a rough day, join attempts fail platform-wide and there is nothing wrong on your end.

How to Fix This Error

Check your internet connection

Since Error Code 279 is a connection error, your internet is always the first suspect. Run a quick speed test and see if other devices in your home are eating the bandwidth with downloads or streaming.

– Restart your router and wait for it to fully reconnect

– Move closer to the router or switch to a wired connection if you can

– Close downloads, streams, and other apps that use the internet in the background

– Rejoin the game and see if the error is gone

Allow Roblox through Windows Firewall

Windows Firewall sometimes blocks Roblox from talking to the game servers, especially right after an update. Adding Roblox to the allowed apps list fixes this in a minute.

– Press the Windows key and search for “Allow an app through Windows Firewall”

– Click “Change settings” then scroll down and look for Roblox

– Tick both the Private and Public boxes next to it

– If Roblox is not on the list, click “Allow another app” and add it manually

– Save the changes and relaunch Roblox

Disable ad blockers and browser extensions

If you play Roblox through your browser, an ad blocker or a privacy extension can stop the join request before it ever leaves your device. Turn off your extensions one by one and try joining the game after each one.

You can also try a different browser or the Roblox desktop app instead. The desktop app skips the browser layer completely, which removes this whole category of problems.

Try a different game first

Sometimes the problem is not you, it is the game. Huge maps and games with broken scripts can throw Error Code 279 at every player who tries to join.

Join a small, popular game and see if it loads normally. If everything else works and only one game keeps failing, just give the developer some time to fix their server and try again later. Error Code 524 works the same way, where one specific game blocks you while the rest of the platform plays fine.

Check the Roblox server status

When Roblox itself is down, no amount of router restarts will save you. Visit status.roblox.com and check if there is an ongoing outage.

If the status page shows a problem, the only real fix is patience. Grab a snack, wait for the engineers to do their thing, and join again once everything turns green.

Re-install the Roblox app

If none of the five troubleshooting methods work, you may consider re-installing the Roblox app to replace any damaged files with a clean copy.

– Uninstall your current Roblox app then restart your PC

– Open your browser and download Roblox

– Once the game is already installed, log in to your account and see if it works

All Roblox players run into connection issues sooner or later, no matter how good their setup is. Learning a few troubleshooting tricks like these will save you a lot of frustration the next time an error pops up mid-session.

If you are still facing other game issues while accessing the Roblox app, feel free to message us so that we can help you fix the problem in a faster and more convenient way.

Still not fixed?

If none of the steps above resolved Error Code 279, try joining from a different network, for example your phone hotspot, to confirm whether the problem is your connection. You can also contact Roblox Support directly for further assistance.

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