Make Sure the Appropriate Ports are Open The ports that Roblox uses is dependent on the Operating System used. The port range is currently UDP 49152 - 65535, so keeping all these ports open should allow Roblox to connect to your router properly.
If it’s limited to the game only, see what happens if you use another device to play Roblox. If it last without disconnecting, then it could be the device itself having trouble. In the scenario of all Internet users having intermittent Internet access, you have to narrow down the trouble.
Browser Add-Ons/Extensions can cause a number of issues, and in particular, Ad-blockers can stop a game from fully loading. For more information on how to do this, please click here. Make Sure the Appropriate Ports are Open. The ports that Roblox uses is dependent on the Operating System used.
If your Internet connection is not fast enough, you are using an incompatible browser, or your firewall is preventing the “Roblox” program, you may encounter error messages while playing “Roblox.” What should I do if the connection attempt for ID 17 fails? Connection attempt failed ID=17 error code 279: Easiest Fixes
The first thing to check is that you are connected to the internet and that your connection is fast enough to run Roblox without issues arising.
Occasionally, your firewall can block Roblox. To counteract this, ensure that Roblox isn’t blocked.
There are several websites that will report whether the Roblox servers are down or not. The best two choices are Roblox Status on Twitter and Down Detector. These are based on user reports and are not affiliated with Roblox.
If you’re playing on an Android device, the temporary files can occasionally become corrupted. To clear this data:
If your connection problems are particularly persistent, the final option is to reinstall the game. Ensure that Roblox is closed on your device, then uninstall and reinstall it.
If nothing above fixes your issues with Roblox not working or connecting, you may have to contact their support team. They will help you to work through any potential causes of the connection error and hopefully get you back into the game in no time.