Adding an MFA Device with Microsoft Authenticator

Summary

This article walks end users through the process of adding a new device to Microsoft Authenticator for Multi-Factor Authentication (MFA).

Body

📌 Purpose

  • This article walks both IT staff and end users through the process of adding a new device to Microsoft Authenticator for Multi-Factor Authentication (MFA).

👥 Audience

  • Students / Faculty / Staff / IT Support

🖥️ Applies To

  • Microsoft Authenticator / Microsoft 365 / Web Based

🛠️ Instructions

  1. Visit https://mysignins.microsoft.com/security-info and sign in with your Salve credentials.
  2. Under Security Info, click + Add sign-in method.
  3. From the dropdown, select Authenticator app and click Add.
  4. A screen will prompt you to set up your account with the app. On your phone, open the Microsoft Authenticator app.
  5. In the app, tap the + (plus) icon and choose Work or school account.
  6. Select Scan QR Code and point your phone camera at the QR code displayed on your computer screen.
  7. Once scanned, click Next on your computer. A test notification will be sent to your phone to verify the connection.
  8. Approve the notification on your phone to complete the setup.
  9. Your new device is now listed as a sign-in method under your security info.

💡 Troubleshooting & Tips

  • Issue: Can't scan QR code – Try selecting "Can't scan image" to enter the code manually.
  • Issue: Authenticator app not receiving notifications – Make sure notifications are enabled in your phone’s settings.
  • If the user no longer has access to their old device and cannot sign in, contact the Technology Services Center for assistance.

Details

Details

Article ID: 3054
Created
Thu 7/24/25 10:33 AM
Modified
Thu 7/24/25 10:33 AM