How to Fix ARC Raiders Error ARRT0003 Online Connection Issue (2025)
Are you facing the ARC Raiders online connection error ARRT0003? If yes, then you must be looking for solutions to fix the issue.
Our step-by-step guide will be a huge help in repairing the ARC Raiders online connection error ARRT0003. All you need to do is read this guide to the end to know all about fixing the online connection error ARRT0003 in Arc Raiders.
ARC Raiders is a popular third-person PvPvE extraction shooter video game developed and published by Embark Studios for PlayStation 5, Windows, and Xbox Series X/S.
The game is set in a lethal future Earth, ravaged by a mysterious mechanised threat known as ARC. In ARC Raiders online connection error code ARRT0003 indicates that your game client cannot establish a stable connection to Embark Studios’ backend services.
The developers have confirmed that they are aware of the issue and are currently working on solutions to fix the ARC Raiders online connection error code ARRT0003.
Without any further ado, let’s get started:
ARC Raiders Online Connection Error ARRT0003 Solutions
Here is the step-by-step troubleshooting guide to fix ARRT0003 error in ARC Radiers:
Check Server Status:
The issue may be due to an ongoing server outage or maintenance.
- Check the official Arc Raiders or Embark Studios social media accounts on X (Twitter) or join the official Discord for real-time updates.
- The servers could be down due to high user activity.
- It is also possible that the servers are under maintenance.
- Wait till services are restored to access the game.
Check Internet Connectivity:
A simple reboot can resolve many temporary connectivity bugs.
- Power off your router and modem completely.
- Wait for about 5 minutes, then power them back on.
- If you are using Wi-Fi, try connecting your PC or console directly to your router with an Ethernet cable. A wired connection is more stable and less prone to interference.
Allow Through Firewall:
- Type Firewall in the search bar.
- Tap on the settings option and open it.
- Go to Allow an app through the firewall.
- Select the app and click the “Allow another app” option.
- Click on Browse and locate ARC Raiders.
- Select ARC Raiders and add it to the list of apps allowed through the firewall.
- Once done, try launching the game.
Change DNS Settings:
Switching to a public DNS like Google DNS can sometimes improve connectivity by finding a better route to the game servers.
Change the Primary DNS to 8.8.8.8 and Secondary DNS to 8.8.4.4.
Flush DNS Cache (PC):
A Corrupted network cache is a frequent cause of ARRT0003.
Press Windows Key, type cmd, right-click Command Prompt, and select Run as Administrator.
- Open Command Prompt and select Run as Administrator.
- Next, run the following commands in order:
- ipconfig /release
- ipconfig /registerdns
- ipconfig /flushdns
- ipconfig /renew
- netsh int ip reset
- netsh winsock reset
- Do not forget to press Enter after each one.
Verify Game Files:
Use the game launcher’s built-in tool to repair and verify the integrity of the game files, as corrupted files can cause issues.
On Steam:
- Right-click ARC Raiders in your Library.
- Select Properties > Installed Files.
- Click Verify integrity of game files.
On Console (PS5/Xbox): There is no direct “verify” button, but a full restart of the console (power cycle) often clears the temporary cache, causing the issue.
Anticheat Reinstallation: The error might be related to the anti-cheat software. Try uninstalling and reinstalling the anti-cheat separately from the game.
If these steps do not work, try again later, as the issue sometimes resolves itself after a period of waiting.
That is all about the ARC Raiders Online Connection Error ARRT0003 and how to fix the ARC Raiders Online Connection Error ARRT0003.