CAE Duo - Re-Activating the Duo app
How to set up your CAE Duo account for a smartphone or tablet
If you need to re-activate the Duo app on your phone or tablet, please be sure to use a different device for the initial steps, as you will need to scan a QR code.
1.In a web browser, navigate to mfa.cae.wisc.edu, where you should see the CAE Duo Portal, shown below. You will need to authenticate using Duo. If your phone or tablet was your only Duo enabled device, and you don't have any one-time use Duo codes, you can generate a temporary code here.
2. Once you are logged into the Duo portal, Duo authenticate using either a push to another device or by entering a code.


- Smartphone
Select Mobile Phone then press Continue.
Enter your phone number. press Continue.
Select the type of phone that the number is associated with and press Continue.
If you are setting up Duo for the first time you must download the Duo Mobile Application for your device. If you are adding it you can skip to the next step. iOS/iPhone: Download the Duo Mobile App from the App Store.
Android: Download the Duo Mobile App from the Google Play Store.
Windows Phone: Download the Duo Mobile App from the Microsoft Store.
Configure the Duo App on your mobile device and finish adding the device in MFA Portal: - Open the Duo App on your phone.
Note: After opening the Duo App, you may be asked to accept notification and camera privileges. Click Allow if prompted.
- In the MFA Portal, click I have Duo Mobile installed.
- In the Duo App on your device, tap the plus sign button in the top right.
Using your device, scan the QR code on the screen in the MFA Portal and click Continue.
The following video from Duo demonstrates how to scan the QR code: Duo Self Enrollment
You will see the following screen in your browser if your first device registration is successful, and your mobile phone should return to the Duo home screen. You have completed registration.
- Tablet
Select Tablet then press Continue.
Select iOS or Android (depending on your device) then press Continue.
If you are setting up Duo for the first time you must download the Duo Mobile Application for your device. If you are adding it you can skip to the next step. iOS/iPhone: Download the Duo Mobile App from the App Store.
Android: Download the Duo Mobile App from the Google Play Store.
Windows Phone: Download the Duo Mobile App from the Microsoft Store.
Configure the Duo App on your tablet and finish adding the device in MFA Portal:
- Open the Duo App on your tablet.
Note: After opening the Duo App, you may be asked to accept notification and camera privileges. Click Allow if prompted.
- In the MFA Portal, click I have Duo Mobile installed.
- In the Duo App on your device, tap the plus sign button in the top right.
Using your device, scan the QR code on the screen in the MFA Portal and click Continue.
The following video from Duo demonstrates how to scan the QR code: Duo Self Enrollment
You will see the following screen in your browser if your first device registration is successful, and your mobile phone should return to the Duo home screen. You have completed registration.