Aternos on Twitter: "@Zaiko_64 The "failed to verify username" means that the Minecraft/Mojang authentication servers are down, this means that when you try and connect to a server it doesn't allow you." /
How to Fix "Failed to Verify Username" on Minecraft - Scalacube
How to fix Failed to Verify Username (ATERNOS) Minecraft Tlauncher - YouTube
How to Fix 'Failed to Verify Username' in Minecraft - Appuals.com
Minecraft - How To Fix “Failed To Verify Username” Error - YouTube