Logging in to a GU Application with a Duo Mobile Passcode

If you don’t have Internet access or cell service (e.g., if you’re traveling internationally), you can log in to a GU online application by using a temporary passcode from the Duo Mobile app.

  1. Go to the GU application you want to log in to.
  2. At the GU prompt, enter your NetID and password, and then click Sign in.
  3. From the Duo screen that is displayed, click the link Other options.
    Duo screen showing six-digit code you must enter on your mobile device.
  4. In the next screen, click Duo Mobile passcode.
    Duo authentication options. Select "Duo Mobile passcode".

    The Duo “Enter your passcode” screen is displayed, prompting you to enter the passcode.
    The Enter your passcode screen, prompting you to enter Duo Mobile passcode.
  5. On your mobile device, open the Duo Mobile app.
  6. Tap Show to display a passcode.
    Duo Mobile app screen. Click "Show" to display passcode.

    You should see a passcode displayed, as shown in the example below. (Note: The passcode in this example has been blurred out for security reasons.)

    (IMPORTANT: The passcode is valid for 30 seconds. A new passcode will be displayed after 30 seconds.)
    Duo app screen with passcode. Click 'Show' to display code. There is also a 30-second counter; when it  counts down, a new code will be displayed.
  7. On the “Enter your passcode” screen, enter the passcode you obtained from the Duo Mobile app, and then click Verify. (Note: The passcode in this example has been blurred out for security reasons.)
    Duo screen on computer. Enter passcode from Duo Mobile app, then click "Verify".
  8. If the following screen is displayed, select the appropriate option, depending on whether or not your computer is shared.
    Screen showing options for whether or not your computer is shared.

    You should see the following confirmation:
    Duo authentication approval confirmation.

You’re now logged in to the GU application.