Troubleshooting

• Basic YubiKey Troubleshooting
• Troubleshooting the macOS Logon Tool after a system update
• Troubleshooting "Failed connecting to the YubiKey. Make sure the application has the required permissions." in YubiKey Manager
• Resetting the FIDO2 Application on Your YubiKey or Security Key
• Troubleshooting "Unknown error occurred" in the YubiKey Personalization Tool
• Resetting Your YubiKey 4 or YubiKey NEO to Factory Defaults