Make sure:
  1. Sign on to your Mac machine. You'll see the Authenticating window, prompting you to enter a passcode.

    Screenshot of the Authentication window showing the passcode field.
  2. Generate a one-time passcode (OTP) using your hardware token.
  3. In the Authentication window, enter the OTP and click Verify.
    The green check-mark indicates authentication is successful and your access is approved.

    Screenshot showing the green "Authenticated" success window.
    Note:
    If you did not get the green check mark, your hardware token may be out of sync. You will see a further authentication window:

    Enter the OTP from your hardware token. Click Sign On. You should see the green check mark shown above.
    You're signed on to your Mac machine.

    A screen capture of the Mac login desktop following successful sign on.