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UltraServers Documentation

Fix Failed to Verify Username Error

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Fix Failed to Verify Username Error

In this guide, we will show you how to fix the “Failed to verify username error” in Minecraft by disabling online-mode.

Access server.properties

  • Go to the 1 Files tab of your server.
  • Click on the 2 server.properties file to open the file editor.
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Configure server.properties

Be aware that changing this option might increase the risk of unauthorized access to your server, as it allows cracked clients to join.
NOTE: Some plugins does NOT support cracked versions of minecraft, so please keep that in mind when disabling online-mode

  • 1 Locate the online-mode line and change its value to false.
  • Click on the 2 Save Content button to save the changes to the file.
  • Restart your Minecraft server for the changes to apply.
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If you require further assistance, you can open a support ticket here.

Feedback and suggestions can be submitted here or further discussed on our Discord server.

  • Fix Failed to Verify Username Error
  • Access server.properties
  • Configure server.properties
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