warningLauncher ErrorsAffects: 1.16+
How to Fix Microsoft Account Login Failed
Fix Microsoft Account Login Failed by clearing cached credentials and re-authenticating through the launcher.
Quick Fix
Log out completely, clear launcher cache, and log back in with your Microsoft account.
Error Message
Failed to login with Microsoft account / Authentication errorHow to Fix
1
Log out and back in from the launcher
2
Clear launcher authentication cache
3
Check if your Microsoft account owns Minecraft at minecraft.net/profile
4
Try logging in through a browser first at xbox.com
5
Ensure your browser is not blocking the auth popup
Common Causes
- Microsoft authentication servers down
- Account not linked to Minecraft
- Browser authentication flow blocked
- Cached credentials expired
Diagnostic Steps
- Log out of the launcher
- Clear cached credentials
- Log back in
- If it fails, check your account at minecraft.net/profile
FAQ
My Mojang account was migrated but I cannot log in.
Use your Microsoft account email, not your old Mojang email. If you did not complete migration, check your email for instructions.