MFA: New Phone or Number Change

Body

Topic

Multi-Factor Authentication for new phones , new phone numbers and locking out of authenticator application 

Environment (Products involved such as e.g. hardware, software, network)

Multi-Factor Authentication , phones , application 

Resolution or Steps

Office Campus Phones

Authentication Phone (call-only phones & non-smart cell phones)

Changing to a New Phone Number (with no change in phone device):
Changing to a new phone device (with or without a new number change):

Android & iPhones - Microsoft Authenticator App

  • If you are changing only your phone number but will be using the same phone:
  • If you are transitioning to a new phone (with or without a new number change):

Prepare:

  • Make sure before you transition to a new phone that you have Set Up Alternate Sign-in option; a number you will have access to while you transition to a different phone or new phone and number and will help to avoid being locked out of your account.

Once you receive your new phone: 

  • The recommended option for smartphones is to use the Microsoft Authenticator app and use approval as your Multi-Factor Authentication verification method.
  • 1)  Install the Microsoft Authenticator app on your new phone.
  • 2)  On your computer browse to: https://aka.ms/mfasetup and sign-in:
  • 3) On the Additional security verification page on your computer, ensure the following selections are set:
    • a)  Notify me through app is selected from the drop down menu.
    • b)  Authentication phone is check-marked and includes your 10-digit phone number of the primary phone device you will be using for Multi-Factor Authentication verification.
    • c)  Alternate authentication phone has a 10-digit phone number of a different secondary/back-up phone number you can use to verify authentication to your account should your primary phone not be available, battery is dead, etc.
    • d)  Have your phone ready to scan a QR code displayed in the next step. The Quick Response code is time sensitive.
    • e)  Ensure Authenticator app or Token is check-marked. Then click the button Set up Authenticator app.
    • e)  Scan the Quick Response code with your phone and follow the instruction prompts.

 

Details

Details

Article ID: 133950
Created
Wed 7/7/21 2:38 PM
Modified
Tue 2/10/26 3:50 PM