Multifactor Authentication (MFA), Setup Passkeys with Microsoft Authenticator

Passkeys provide a secure and convenient way to sign in using biometrics (face, fingerprint) or a device PIN.

Before your begin, make sure Microsoft Authenticator is already installed and configured on your device. You can follow the directions here, MFA Setup, to install Authenticator.

Step 1: Go to MFA Setup - Open a browser and navigate to https://aka.ms/mfasetup.

Step 2: Sign In - Enter your NetID@illinois.edu, and password.  Then click Next to get to the Duo Push.

Sign-in screen Password pageDuo Page

Step 3: Access Security Info - On the Security info page, click Add sign-in method.

Add sign-in method 
Step 4: Choose Passkey - In the pop-up, select Passkey in Microsoft Authenticator.

Add Sign In Method
Step 5: Create Passkey in Authenticator - Follow the on-screen instructions: Ensure your device has Android 14 or iOS 17 and the latest version of Microsoft Authenticator.In Authenticator, select your University of Illinois account and choose Create a passkey.

Step 6: Verify Passkey - Your Security info page will now show the new passkey method. (You may need to refresh the screen for this to show). 

Shows where passkey has been added to your account

Step 7: Test Passkey Sign-In - Go to a protected resource such as uofi.box.com.  When signing in on the password page, choose Use your face, fingerprint, PIN, or security key instead.

Use your face, fingerprint, PIN or Security Key instead to login.

Step 8: Select Passkey - Select your passkey device (e.g., Pixel 6) and complete the sign-in on your phone.

Example of what device to pick'

What you will see on your phone when you select the device passkey.

Tips Make sure Microsoft Authenticator is enabled as a passkey provider. If you encounter issues, check that your device OS and Authenticator app are up to date.


Keywords:
MFA, Multifactor authentication, Passkeys, Microsoft Authenticator, Passkey setup, Passwordless sign-in 
Doc ID:
156454
Owned by:
Identity and Access Management G. in University of Illinois Technology Services
Created:
2025-10-31
Updated:
2026-05-27
Sites:
University of Illinois Technology Services