Reactivating a Device for DUO

If you have issues using DUO on a device (mobile phone, tablet), you might need to reactivate the device with DUO.

This KB Article References: Duo Security Two-Step Login

This Information is Intended for: Instructors, Staff, Students

Created: 10/30/2020 Last Updated: 01/30/2025

If a device you previously added to your Duo account isn't authenticating correctly (either online or offline), reactivate DUO Mobile for that device.

Why does this happen? Getting a new phone may trigger this issue even if data and apps were transferred over from the old phone.

Supported By

Customer Engagement and Support

Need Help? The fastest way to get support is by submitting a request through our ticketing system.

Get Help With Duo