Managing your Multi-Factor Authentication settings and phones

Once you have registered your phone(s) for use with Multi-Factor Authentication (MFA), you can use the Multi-Factor Authentication management page at http://www.northwestern.edu/mfa-register to add, remove, and modify your registered phones.

Northwestern IT recommend that you use a computer and your phone to complete these steps.

Note: Some of the steps below require you to have access to your primary phone before you can continue. If you do not have your primary phone, but have other phones registered in the system, use the steps below to change your primary phone before proceeding. If you do not have access to any of your phones, contact the Northwestern IT Support Center at consultant@northwestern.edu or 847-491-HELP(4357), option 2.

Add a new phone

Multi-factor authentication is required for these steps. Please make sure you have your primary phone with you.
  1. Log in to the Multi-Factor Authentication management page at http://www.northwestern.edu/mfa-register.
  2. Click Add a phone.
  3. You will be prompted to verify your identity using your primary phone. Verify your identity to continue.
  4. Once you have verified your identity, use the instructions below to register a new phone:
  5. Registering iPhone to use Duo Mobile

    1. Make sure you have your iPhone available and that you have adequate cell phone coverage in your location.
    2. On your iPhone, install Duo Mobile from the App Store using your Apple ID and password. Make sure you have Duo Mobile installed before proceeding with your registration.
    3. On your computer, go to http://www.northwestern.edu/mfa-register and log in using your NetID and NetID password.
    4. Click Begin Registration, then follow each registration step as presented. Note that once you start the registration process, you cannot stop!
      1. Choose iPhone.
      2. Install the Duo Mobile app from the App Store.
      3. Once Duo Mobile is installed, check the box labelled Duo Mobile is installed.
      4. Enter your phone number in both boxes. If the phone number is within the United States, you do not need to enter +1. Otherwise, enter your country code, and then your phone number.
      5. Click Next. You will receive a text message with a link in it.
      6. Click the link in the text message and choose Open with Duo Mobile.
    5. After completing these steps, you will receive a confirmation notification on your newly registered phone. Once you've registered your phone you will see a Northwestern University key in Duo Mobile.

      Make sure your iPhone is configured to receive notifications:
      1. Open Settings > Notifications and search for Duo Mobile.
      2. Tap Duo Mobile and make sure Allow Notifications and Show On Lock Screen are on.
      3. Under Alert Style When Unlocked, make sure you have Banners or Alerts selected.

    Registering Android to use Duo Mobile

    1. Make sure you have your phone available and that you have adequate cell phone coverage in your location.
    2. On your phone, download Duo Mobile from the Google Play Store. Make sure you have Duo Mobile installed before proceeding with your registration.
    3. On your computer, go to http://www.northwestern.edu/mfa-register and log in using your NetID and NetID password.
    4. Click Begin Registration, then follow each registration step as presented. Note that once you start the registration process, you cannot stop!
      1. Choose Android.
      2. Install the Duo Mobile app from the Play Store.
      3. Once Duo Mobile is installed, check the box labelled Duo Mobile is installed.
      4. Enter your phone number in both boxes. If the phone number is within the United States, you do not need to enter +1. Otherwise, enter your country code, and then your phone number.
      5. Click Next. You will receive a text message with a link in it.
      6. Click the link in the text message and choose Open with Duo Mobile.
    5. After completing these steps, you will receive a confirmation notification on your newly registered phone. Once you've registered your phone you will see a Northwestern University key in Duo Mobile.

    Registering any type of phone to receive a phone call

    1. Make sure you have your phone available; if you're registering a cell phone, make sure you have adequate cell phone coverage your location.
    2. Go to http://www.northwestern.edu/mfa-register and log in using your NetID and NetID password.
    3. Click Begin Registration, then follow each registration step as presented. Note that once you start the registration process, you cannot stop! If you have an international phone number, enter it using this format: plus sign, country code, and phone number. (E.g.: +974 XXX XXXXX for a Qatari phone number.)
    4. During the registration process, you will receive a confirmation phone call from 847-467-9000 on the phone you've just registered. Make sure you pick up that call! Don't ignore it (or worse yet block it!) because you don't recognize the number. You may want to add the phone number to your phone's contact list or address book so you will recognize the number in the future.

    Adding an additional phone of any type

    1. Make sure you have a registered phone available, as well as the phone you want to register; if either of your phones is a cell phone, make sure you have adequate cell phone coverage your location.
    2. Log in to the registration page at http://www.northwestern.edu/mfa-register with your NetID and NetID password.
    3. Click Add a Phone.
    4. Confirm your identity using one of your registered phones, then complete the subsequent steps. They will be very similar to the steps above. Make sure you have the phone you're registering nearby so you can confirm it during the registration process.

Remove a phone

Multi-factor authentication is required for these steps. Please make sure you have your primary phone with you.
  1. Log in to the Multi-Factor Authentication management page at http://www.northwestern.edu/mfa-register.
  2. Find the phone number you are interested in removing, then click Remove to the far right of the number.
  3. You will be prompted to verify your identity using your primary phone. Verify your identity to continue.
  4. On your screen, check the box next to "I confirm that I have a least one registered phone."
  5. A new box will appear with your phone number in it. Check the box to Remove [your phone number], then click Next.
  6. The requested phone will be removed.

Change smartphone between the Duo Mobile app and phone call

Northwestern IT strongly recommend you use the Duo Mobile app, as the app provides more flexibility in notification options: you can receive a phone call, a text with a code, a push notification to your Duo Mobile app, or you can enter a code from your Duo Mobile app.
Multi-factor authentication is required for these steps. Please make sure you have your primary phone with you.

Changing from phone call method to the Duo Mobile app

  1. Log in to the Multi-Factor Authentication management page at http://www.northwestern.edu/mfa-register.
  2. To the right of your smartphone's phone number, click Change notification type.
  3. You will be prompted to verify your identity using your primary phone. Verify your identity to continue.
  4. When prompted for notification type, check the box labelled Duo Mobile app (recommended)
  5. Choose iPhone or Android phone, depending on your phone's model.
  6. Install the Duo Mobile app from the Play Store.
  7. Once Duo Mobile is installed, check the box labelled Duo Mobile is installed.
  8. Enter your phone number in both boxes. If the phone number is within the United States, you do not need to enter +1. Otherwise, enter your country code, and then your phone number.
  9. Click Next. You will receive a text message with a link in it.
  10. Click the link in the text message and choose Open with Duo Mobile.

Changing from using the Duo Mobile app to phone call only

Note: If you have a smartphone, Northwestern IT strongly recommend you use the Duo Mobile app. If you prefer to receive a phone call, you can still select this option when using the Duo Mobile app. The Duo Mobile app offers you additional options in the event that your phone does not have cellular service.
  1. Log in to the Multi-Factor Authentication management page at http://www.northwestern.edu/mfa-register.
  2. To the right of your smartphone's phone number, click Change notification type.
  3. You will be prompted to verify your identity using your primary phone. Verify your identity to continue.
  4. When prompted for notification type, check the box labelled Phone call only.
  5. Click Confirm. You will receive a phone call.
  6. Answer the phone and press any number key to continue.
  7. On your screen, click Next.
After completing these steps, your phone will be configured to receive phone calls only.

Reactivate the Duo Mobile app after upgrading or replacing your smartphone

Sometimes, taking a major update on your smartphone will cause the Duo Mobile app to stop receiving push notifications. Likewise, if you have to re-install the Duo Mobile app (such as after purchasing a new phone or factory resetting your phone), you may need to re-link the Duo Mobile app. You can re-link the app using the steps below.

Note: If you are moving from an Android to an iPhone or vice versa, these steps will not work for you. Contact the Northwestern IT Support Center at consultant@northwestern.edu or 847-491-HELP(4357), option 2, for assistance.
  1. Log in to the Multi-Factor Authentication management page at http://www.northwestern.edu/mfa-register.
  2. To the right of your smartphone's phone number, click Reactivate Duo Mobile.
  3. You will receive a text message to your mobile phone number.
  4. In the text message you receive, click the link. If prompted, click Open with Duo Mobile.
Your Duo Mobile app will be reactivated.



Keywords:duo default smartphone app mfa "duo mobile" two-factor 2fa verification   Doc ID:76803
Owner:TSS Tier 2 .Group:Northwestern
Created:2017-09-22 10:13 CDTUpdated:2019-02-08 15:39 CDT
Sites:Northwestern
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