Resetting the FIDO2 Application on Your YubiKey or Security Key

Applicable Products


In some scenarios, such as when the FIDO2 PIN is locked from too many incorrect attempts, you may want to reset the FIDO2 application on your YubiKey or Security Key. 

Warning: resetting the FIDO2 application will delete all resident credentials as well as reset the FIDO root key used by FIDO2 and U2F for two-factor authentication. 

  1. Download and install YubiKey Manager.
  2. Insert your YubiKey to an available USB port on your computer.
  3. Open YubiKey Manager.
  4. Click Applications, then FIDO2.
  5. Click Reset.
  6. On the confirmation page, click Reset.
  7. Click Yes to confirm.
  8. When prompted, remove and re-insert your YubiKey.
  9. When the LED on the YubiKey begins flashing, touch the metal contact.

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