Error code
Minecraft Failed to verify username
MINECRAFTFailed to verify username
Game/Platform Error· An error code shown by a game or gaming platform/launcher.
What it means
The server could not confirm your account with Mojang's authentication servers.
How to fix it
- Wait if Mojang auth servers are down.
- close extra Minecraft instances so only one is running.
- log out and back into the launcher then reconnect.
- for your own server set online-mode=false to allow non-premium players.
- restart the server.
Not affiliated with Minecraft. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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- DrownedA Bedrock named error code indicating sign-in to your Microsoft account failed
- Exit Code -1A generic Java crash code meaning Minecraft stopped before fully loading
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- Internal Exception: io.netty.handler.timeout.ReadTimeoutExceptionThe connection to the server stalled because no data arrived within the timeout window
- Internal Exception: java.io.IOException: An existing connection was forcibly closed by the remote hostThe remote server forcibly terminated your active connection
- Internal Exception: java.net.SocketException: Connection resetThe TCP connection to the server was abruptly closed mid-session