Multi-Factor Authentication - Activating or Reactivating the Duo Mobile App

Activating or Reactivating the Duo Mobile App

These steps are for setting up the Duo Mobile app if you already have a phone number configured and are using phone calls but also want to use the Duo Push option, or if you have a new phone with the same number and you need to set Duo Mobile up on the new phone. If you have a new phone and new number, and no other Duo device, please contact the IT Help Desk for additional assistance.

Complete these steps using a different device from the phone you wish to configure:

1. Sign into the NDSU Account Management System (https://apps.ndsu.edu/accounts/) with your NDSU Username and password
   • Use the phone call option when prompted for Duo multi-factor to approve the login
2. Click on Multifactor Authentication from the left menu
3. Click Manage Duo Settings 
   • Again use the phone call option when prompted for Duo multi-factor to approve the login
4. Click the Device Options button next to the phone number you wish to activate or reactivate Duo Mobile for
5. Click the Reactivate Duo Mobile button
   • You may be asked to verify ownership of the device, if so, use the Call Me or Text Me button and enter the provided code in the 6-digit code field and click the Verify button
   • Click Continue
6. Select the phone OS version and click Continue
7. Install the Duo Mobile app
   
   • Click the I have Duo Mobile installed if you have already installed the Duo Mobile app
   • If you have not installed the Duo Mobile app, do so through the phone's app store, then click the I have Duo Mobile installed button once you have done so
8. You will need to scan the QR Code from the Duo Mobile app from the phone
   • Open the Duo Mobile app on the phone and click the Add button and select Use QR Code
   • Scan the QR Code with the phone
   • Name the account or use the default
   • If you are prompted to practice, you can click the Practice Now button for a demo on how to use the app, or press Skip to continue without doing the practice steps
   • Continue through the prompts to finish the setup in the Duo Mobile app
9. When you are finished in the Duo Mobile app, go back to the Accounts page on the computer and click the Continue button
10. Click the Save and close link below the DUO widget