Information in this article applies to Minecraft for all platforms.
What Causes the ‘Failed to Authenticate Your Connection’ Error in Minecraft?
Check the Minecraft servers website or social media accounts for updates.
It’s the simplest solution, but it rules out any temporary technical hiccups.
Restart the Minecraft Launcher.
SelectClose(X) or pressAlt+F4, then reopen the Launcher.
bounce of the Minecraft Launcher and log back in.
Closing the Launcher doesn’t actually log you out of your account.
Doing so can sometimes clear up connection errors.
Troubleshoot your internet connection.
you’re able to’t connect to a Minecraft server without a stable internet connection.
Let the administrator know if you have a new username.
Direct Connect to the Minecraft server.
Enter the server’s IP address and chooseDirect Connectto establish a direct connection.
Add a firewall exception for Minecraft.
Edit the HOSTS file.
Find and delete any entries that say Mojang, then save the file and cycle your box.
When you install mods, they sometimes cause issues with the HOSTS file.
If you still have trouble, disable any mods andupdate Java.
Exit error 0 is due to incompatible Minecraft mods.
Disable mods one by one to pinpoint which one is causing the error.
Tofix the JNI error in Minecraft, download and install Java updates.
If the problem persists, reset the Java installation file path.