Activating/Re-activating Duo Mobile (Two Factor Authentication)

Allison McComb Updated by Allison McComb

Activating/Re-activating Duo Mobile

Many accounts which utilize your Cornell Net IDs (@cornell.edu emails) will require Two-Step Login (such as Zoom, the Cornell VoD site, Tableau, and Workday). Two-Step Login adds an extra layer of security to your Cornell NetID and password.

Two-Step login, such as Duo Mobile, are managed by Cornell University IT directly.

Up-to-date information from the University on Two-Step Login and Duo can be found here:

https://it.cornell.edu/twostep

If needed, you can use this these steps to re-activate Duo with a compatible device:

https://it.cornell.edu/twostep/activate-duo-mobile-self-serve

Troubleshooting Support

You can open a ticket with CU IT if you need additional assistance with Duo or Two-Step logins- they can be reached directly at:

  • itservicedesk@cornell.edu
  • 607-255-5500

Please Note: Duo "Pushes" are no longer available for the following devices:

Android devices with OS version earlier than 11

Android devices from Huawei or running customized Android distribution like OxygenOS

iOS version earlier than 15

Blackberry OS

Blackberry devices running Android OS earlier than 11

Windows Phone 10

How did we do?

Reporting Spam/Phishing

Common Access/Login Errors

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