Error 504 shows up in Escape From Tarkov (EFT) due to connectivity issues with the game. The error can show up either when the servers are acting up or when your internet connectivity is having problems. If you see the error code pop up in Escape From Tarkov, there are some fixes you can try but you should always check the Battlestate Games EFT Status page to check if there are any ongoing server issues. If the servers are online, here are a few things you can try to fix Error 504 in Escape From Tarkov.
Error 504 in Escape From Tarkov: How to Fix
Close all Escape From Tarkov Processes from the Task Manager.
Right-click on your Taskbar
Click on Task Manager
Find all Escape From Tarkov processes
Right-click on each of the programs and click on End Task.
You can also try restarting your router and your computer if it does not help.
Restart your router
Press the Windows key on your keyboard
Click on the Power icon
Click on Restart
You should also check if there are any pending game updates.
Clean Temporary Internet Files (PC Only)
Press the Windows Key
Type “Command Prompt” and hover on the first app result
Click on Run As Administrator
If asked whether to allow Command Prompt to make changes to your computer, select Yes.
You should now get a new window with a black screen.
Type "ipconfig /flushdns" and press Enter.
Type "ipconfig /registerdns" and press Enter.
Type "ipconfig /release" and press Enter.
Type "ipconfig /renew" and press Enter.
Type "netsh winsock reset" and press Enter.
Restart your computer.
Change DNS
You should consider changing your DNS on your router or PC if the issue persists. Login to your router and head to the setup page. Leave all existing settings intact and change your primary and secondary DNS to any of the following:
1.1.1.1
1.0.0.1
8.8.8.8
4.2.2.2
There is also an app you can install by Cloudflare that can toggle OpenDNS on or off. Head to https://one.one.one.one/ and download the app for Windows. Once installed, toggle it on and try playing Escape From Tarkov which should resolve Error 504 in Escape From Tarkov.
If none of these solutions work you should contact your internet service provider and seek assistance. A lot of the time, there are issues at the (internet service provider’s) ISP’s end, and explaining the issue to them should help resolve the issue.