Authentication Check Failed: Troubleshooting 'Not Authenticated with Minecraft.net'

4th June, 2022

Authentication Check Failed: Troubleshooting "Not Authenticated with Minecraft.net"

Minecraft, the immensely popular sandbox game, requires players to authenticate with Minecraft.net before accessing multiplayer servers. However, encountering the "Not Authenticated with Minecraft.net" error can be frustrating and prevent players from enjoying the multiplayer experience. In this article, we will explore the possible causes of this error and provide troubleshooting steps to resolve it.

1. Verify Your Internet Connection:

   Ensure that you have a stable and reliable internet connection. The "Not Authenticated with Minecraft.net" error can occur if there is a disruption in your internet connection during the authentication process. Check your network connection, restart your router, or try connecting to a different network to rule out any internet-related issues.

2. Check Minecraft.net Status:

   Before troubleshooting the error, verify the status of the Minecraft.net authentication servers. Visit the Minecraft status page or official forums to check for any reported outages or maintenance periods. If there is a server issue on Minecraft.net's end, you may need to wait until the issue is resolved before authenticating successfully.

3. Ensure Correct Username and Password:

   Double-check your Minecraft account username and password to ensure they are entered correctly. Mistyped or forgotten login credentials can result in the "Not Authenticated with Minecraft.net" error. If you're unsure about your password, try resetting it on the Minecraft website and use the new password for authentication.

4. Update Minecraft Launcher:

   Ensure that you have the latest version of the Minecraft launcher installed. Outdated launcher versions may have compatibility issues with the authentication process. Check for any available updates and install them before attempting to authenticate again.

5. Clear Minecraft Launcher Cache:

   Clearing the Minecraft launcher cache can resolve authentication-related issues. To do this, navigate to the Minecraft launcher settings and locate the "Force Update" or "Clear Cache" option. Select it, and the launcher will remove cached files and download fresh copies, potentially resolving any authentication problems.

6. Disable VPN or Proxy Connections:

   Virtual Private Network (VPN) or proxy connections can interfere with the authentication process, leading to the "Not Authenticated with Minecraft.net" error. Temporarily disable any VPN or proxy connections you may have and try authenticating again. If the error is resolved, consider adjusting your VPN or proxy settings to allow the authentication process.

7. Check Firewall and Antivirus Settings:

   Firewall or antivirus software on your computer can block the necessary connections for Minecraft authentication. Review your firewall and antivirus settings to ensure that Minecraft and its associated processes are allowed to communicate with the internet. Temporarily disabling firewall or antivirus software (with caution) can help identify if they are the cause of the authentication error.

8. Reinstall Minecraft:

   As a last resort, consider reinstalling Minecraft. Uninstall the game completely, including all associated files and folders. Then, download and install the latest version of Minecraft from the official website. This ensures a fresh installation that may resolve any underlying issues causing the authentication error.

9. Contact Mojang Support:

   If none of the above troubleshooting steps resolve the "Not Authenticated with Minecraft.net" error, it is advisable to reach out to Mojang Support for further assistance. Provide them with detailed information about the error, including any specific error messages, steps you have taken to troubleshoot, and your account details. Mojang Support can provide personalized guidance to help resolve the authentication issue.