MFA Reactivation

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This article will help faculty, students, and staff who were previously enrolled in Microsoft MFA using Microsoft Authenticator or would like to enroll in another Microsoft Authenticator app.

If the Microsoft Authenticator app was your only MFA method, you will not be able to perform the steps detailed below.

Steps

  1. Navigate to https://mysignins.microsoft.com/security-info

  2. On the Microsoft sign-in screen enter your SUNY Geneseo email address and click Next.

  3. Enter your SUNY Geneseo password and click Sign In.

  4. When presented with the Microsoft MFA screen select one of the following methods to authenticate:

    1. Text - Enter text message code on computer screen. 

    2. Call - Answer phone call and press the # key.

  5. After authenticating with text/call you will be directed to the My Sign-ins page where you can reactivate the Microsoft Authenticator app.

  6. Select + Add method (Shown in the screen shot below)

  7. Select Authenticator app and then select Add.

Add a method pop up box with Authenticator app selected.
  1. Set up your account by opening the Microsoft Authenticator app on your smartphone. 

  2. Press Next when you see the prompt below on your computer screen to get the QR activation code (Shown in step 11). 

The prompt on your computer to set up the authenticator app on your phone.

         

9. Press the + icon in the top right corner.

10. On your smartphone select Work or school account and then select Scan QR code. 

Add work or school account on Microsoft Authenticator app

11. If prompted, allow camera access on your smartphone to scan the QR code on your computer screen.        

Scan the QR code prompt that appears on your computer

12.  After scanning the QR code you will be required to do a test authentication to ensure the Microsoft Authenticator app is working. 

Number matching authentication to verify app functionality.

13. Enter the number that is presented on your computer screen within the Microsoft authenticator app.  

14. If the number is entered correctly within the app you can complete setup by clicking Next on your computer screen.  

15. Microsoft Authenticator app is now activated and will be your MFA primary method. 

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Details

Details

Article ID: 1577
Created
Wed 6/3/26 2:43 PM
Modified
Mon 6/8/26 1:38 PM