Lost Ark Server Authentication Failed Error 10010: Like other online games, a few glitches pop up in Lost Ark. Therefore, it concerns authentication on the server.
Many players are experiencing an error message stating Lost Ark error 10010 and are seeking a solution. Do you think the issue is on your side, or are the servers at fault? Here’s what you should be aware of.
How to Fix Lost Ark Server Authentication Failed Error 10010?
Players have reported that they can get the server authentication failure the error code 10010 within Lost Ark when the game starts. There are several troubleshooting procedures you can try to solve the issue.
Then you can also try a workaround shared by a user that many players have used.
Fix Lost Ark Server Authentication Failed Error 10010
Verify Integrity of Steam Files
- Start Steam.
- You can find it in the library.
- Right-click on the game and select Properties.
- Locate on the Local Files tab.
- Click on Verify Integrity of Game Files.
- After the process has been completed After that, restart the game.
Follow the steps listed below.
Toggle IPv6
- Select the Start menu and then go towards Settings > Network and Internet.
- Select the status tab. Then your Advanced Network settings and click on the Change Adapter Options.
- Right-click on the network connection, and then click Properties.
- Please scroll down to Internet Protocol Version 6 (TCP/IPv6) and then uncheck it.
- Click OK, then close the browser.
- Start the game again and test if the issue persists.
Use Command Prompt
- Select the Start menu and enter cmd.
- Right-click Command Prompt, and then click for Run as Administrator.
- Type ipconfig/flushdns into the search box and then hit Enter to enter.
- After that, type ipconfig/registerdns. Press Enter.
- Enter ipconfig/release, then press enter.
- Enter ipconfig/renew, then hit on the Enter key.
- Enter netsh Winsock reset, then hit Enter. Enter key.
- Then, close your PC and then restart it.
- After that, run Steam as administrator and start Lost Ark.
The moderator shared this fix on the official Lost Ark forum.
READ MORE: How Can I Obtain Lost Ark Twitch Drops?
Deactivate the Antivirus and Firewall
Unfortunately, if none of these methods listed above work, turn off your firewall and antivirus software to check the servers with no issues.
Find a solution to the Forum
In the end, as per the user falsehoods at The Lost Ark Forum, This is a fix that has prevented from happening—lost Ark Server authentication Failure Error 10010.
Link or remove the accounts you have linked to Amazon or Steam accounts. Lost Ark can authenticate your account when you connect your accounts, thereby solving the authentication issue.
How do you connect Your Amazon or Steam Accounts to Lost Ark?
- Visit Your Settings for your account on Amazon Games.
- Click on the link to access your Steam account.
- Log in using your Steam login credentials and confirm that the account is linked to your Steam account.
- Run Lost Ark and check whether the error continues.
How to Unlock Amazon and Steam Accounts?
- Go to Account Settings on Amazon Games.
- Select Unlink account, then click Confirm.
The exact process is applied to Twitch Drops, and then see whether the issue is occurring or if the game is functioning well now.
That’s all about Lost Ark Server Authentication Failed Error 10010. If this helps you, don’t forget to share it with your friends.

She is a freelance blogger, writer, and speaker, and writes for various entertainment magazines.

