Error
Error Code:
4055
MySQL Error 4055: FIDO Plugin Registration Required
Description
This error indicates that a MySQL user configured to use a FIDO authentication plugin has not completed the required registration process for their authenticator device. It occurs when a user attempts to authenticate without their FIDO device being properly registered with their account.
Error Message
Authentication plugin requires registration. Please refer ALTER USER syntax or set --fido-register-factor command line option to do registration.
Known Causes
3 known causesUser Not Registered for FIDO
The MySQL user account is configured to use a FIDO authentication plugin, but the specific FIDO authenticator device has not been registered with the user.
Incomplete FIDO Configuration
The FIDO authentication plugin is enabled on the server, but the user's account has not been fully configured or linked with an authenticator device.
Authentication Before Registration
A user attempted to log in using a FIDO-enabled account before successfully completing the initial FIDO authenticator registration process.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service