DayZ follows players through an open world terrain where they will have to survive against hoards of infected and other players as well. Your only goal is to keep yourself alive and survive no matter what. Since its release, DayZ has had a stream of dedicated players who have threaded far and wide in the open world and found creative ways to survive. But along with that, players have also come across a myriad of bugs. In this guide, we will see how to fix An Unexpected Authentication Error in DayZ.
Update is added at the bottom of post
An Unexpected Authentication Error in DayZ Fix (For Xbox, PS, and PC)
Errors in DayZ are quite common, but not all of them have an official fix yet. The Unexpected Authentication Error is one of them. It is a recurring error that does not allow players to play the game. Below we will see what it means and how to fix it.
Since there is no official fix from the game developers themselves, these troubleshooting tips might help to some extent.
Fix DayZ Unexpected Authentication Error on PC
Disable and Enable your Internet
You will have to check if you are having a stable internet connection. If you see that there is no issue with the internet, you can try to clear the internet cache by the following.
- Close the game
- Go to Control Panel- Go to Network and Internet- click Network connections
- Find your network adapter, right-click on it, and click “Disable”
- Right- Click and enable it after a few seconds.
Run as Administrator
If you are having trouble logging in, find the game in your local directory, right-click on it and run it as administrator.
Check if Steam is down
The problem may arise from the Steam Launcher too, so you should stay up to date with any server maintenance going on. If there is nothing such going on, then it is best to restart Steam and then check if the game is working or not.
Verify Game Files Integrity
Sometimes a faulty file can hamper your gameplay. You can follow the steps below to find your game files’ integrity.
- Open Steam Launcher and go to Library
- Find the game
- Right-click on it and select Properties.
- Find Local Files and click on it.
- Click on Verify integrity of Files.
- Wait till the verification is done then restart Steam and launch the game
Reboot your system.
If all else has failed, you can reboot your system as well as remove the main plug from its point, wait for a few seconds, and then plug it in to see if the game works.
Fix DayZ Unexpected Authentication Error on Console (Xbox and PS)
Start with a Power Cycle to clear out all the cache in the console
- Press and hold down the power button on your console for 10-15 seconds.
- Wait till the light is completely off.
- Remove the power plug and wait for 30 seconds to 2 minutes.
- Plug it back in. Start the console as usual.
- Play the game to see if has started working as normal.
Check the Console status
You can find out the status of your console by visiting the official Xbox Live and PSN websites. Sometimes maintenance might make you unable to launch the game.
Check the official DayZ Social Media
Sometimes due to maintenance or a server problem from their end, you will notice that you won’t be able to log in and the error message pops up. You can check if the servers are working by visiting the game’s official social media pages to keep up to date with any new updates that are being added to the game that requires the server to go off.
If all else fails, you can try to uninstall and reinstall the game to see if it helps.
For now, the error is not officially rectified by the game developers, and these fixes might not work for all players, so all you can do for now is to sit back and wait to see if the game will start working as usual. If you liked this guide you can check out our other posts as well to know more about the game.
Update 1: Aug 17 2022 Are the Servers Down
If you are getting the BIOS error or the authentication error, you should know that the DayZ servers have been down for the past 7 hours or so. There is a large number of users who cannot play the game. The outage seems to be worldwide and there has been no acknowledgment from the developers. We will update this post as soon as we get word on the duration of the outage or official acknowledgment.
As you can see in the above image, the outage reports have grown exponentially in the past 7 hours. Before that, there was almost no server issue with the game.