DUO Two Factor Authentication: I Am Unable to Scan QR Code When Enrolling in DUO or Enrolling in DUO Without a Computer

To activate Duo Mobile when you cannot get the barcode to scan, or when you only have access to a single screen or device do the following:

1. Start enrolling a smartphone by following the instructions at Enrolling a Smartphone or Tablet by Installing the Duo Mobile App.
2. When you get to the QR code screen follow these instructions, depending on the type of device:

Smart Phone

1. On the Activate Duo Mobile screen, tap the "Having Problems?" link. You will be sent an activation link instead. (You may have to scroll down to see this link.)

2. In the text box, type an email address that you can access with your mobile device.

3. Tap Send email. You may need to scroll down to see all the instructions.

4. You will receive an email from no-reply@duosecurity.com. Open that email on the device you want to activate.

5. In the email, tap the activation link.

6. If you see a message that says "Visit this link on your phone to add your account to Duo Mobile:", either your selection of platform was incorrect, or you have opened the email on the wrong device. To fix this, re-enroll your device.

7. If you see a Complete the action message:

   1. Tap Duo.

   2. Tap Always.

8. You will see Account Added Successfully. An Arizona State University account will appear in your Duo Mobile app. Tap Continue.

9. Within the Duo window, you will see Device successfully enrolled. Under Enrolled Devices (PID), your device will be listed. You may need to scroll down to see the entire list.

10. Tap Done.

11. You will see the normal Duo login prompt. Login with your newly-enabled device.

Tablet

1. Select the radio button corresponding to the OS of your device.

2. Tap Continue.

3. On the Activate Duo Mobile screen, tap the Having Problems? You will be sent an activation link instead. 

4. In the text box, type an email address that you can access with your mobile device.

5. Tap Send email. You may need to scroll down to see all the buttons.

6. You will receive an email from no-reply@duosecurity.com. Open that email on the device you want to activate.

7. In the email, tap the activation link.

8. If you see a message that says "Visit this link on your phone to add your account to Duo Mobile:", either your selection of platform was incorrect, or you have opened the email on the wrong device. To fix this, re-enroll your device.

9. If you see a Complete the action message:

   1. Tap Duo.

   2. Tap Always.

10. You will see Account Added Successfully. An Arizona State University account will appear in your Duo Mobile app. Now tap Continue.

11. Within the Duo window, you will see Device successfully enrolled. Under Enrolled Devices (PID), your device will be listed. You may need to scroll down to see the entire list.

12. Tap Done.

You will see the normal Duo login prompt. Login with your newly-enabled device.