On Monday, February 2, 2026, Duo is making a change that will cause unsupported versions of their software to no longer receive Duo Push requests or be able to complete Duo Mobile-based verification.Who Is Affected Anyone who uses Duo Mobile on an unsupported mobile OS, or with an app that’s…

Use the instructions below if you can't complete Two-Step Login (Duo) authentication because: 

Starting November 4, 2025, Cornell will begin disabling the Duo Phone Call and Duo SMS Passcode methods.