Multi-Factor Authentication (MFA), Duo Version Update
If updates are not applied, users may experience:
- Failed authentication attempts
- Duo Push notifications not being delivered
- Login disruptions for Duo-protected applications
Failure to update before the certificate expiration may result in authentication outages.
How to check your Duo Mobile version?
Step 1: Open the Duo Mobile App
Step 2: Tap the menu icon(≡) in the top-left corner
Step 3: Check the version number at the bottom of the screen. You will see something like (Version:4.103.0.1436.1)
Note:
Minimum required versions are Duo Mobile 4.85.0 or later
How to update the Duo Mobile?
This message appears because the older versions of Duo are no longer supported. Duo is updating a security certificate used by its clients, and updates are required to continue using Duo.
To Update:
Step1: Open the App Store (iOS) or Google Play store (Android)
Step 2: Search “Duo Mobile”
Step 3: Tap “Update”
Step 4: Reopen the app after successful update.
Note:
Supported mobile operating systems:
Android: Version 11 or later
iOS: Version 16 or later
Application Owners and System Administrators
Applications and services that integrate with Duo using: Duo APIs, Duo SDKs, Duo Authentication Proxy, and Duo-developed integration must be updated to the versions that include the new CA Bundle.
Refer to Duo’s documentation for details: https://help.duo.com/s/article/9451
Need Help?
If you experience issues after updating, send an email to consult@illinois.edu or call the Tech Services Help Desk.