Articles (10)

Location-Based Restrictions for Duo Authentication

In order to comply with U.S. regulations, effective May 5, 2022 Duo will begin blocking authentications from users whose IP address originates in a country or region subject to economic and trade sanctions enforced by the U.S. Office of Foreign Assets Control.

Duo Authentication Screen Not Loading

This article details troubleshooting steps to perform when Duo multi-factor authentication screens are not appearing on Duo-protected UTD sites.

Duo Hardware Token Authentication

This article provides information on Duo hardware token authentication and troubleshooting steps.

DUO Prompt Issues (iOS / macOS)

This article has the instructions to fix Duo prompt issues on mac devices.

How to Enroll in Duo

This article assists first time users in the Duo enrollment process.

Manage Devices on Duo Mobile

This article can help you add or manage multiple devices on Duo Mobile.

Non-Smartphone Options for Duo Authentication

This article provides the instructions to login without Duo app installed or having no access to a smartphone.

Smartphone Options for Duo

Users who have installed and activated the Duo Mobile app on their cell phones can authenticate by accepting a push notification, which is much quicker and easier than using the Phone or SMS authentication methods. The Duo Mobile app also allows you to authenticate using generated login codes, which works even if your device is not connected to the Internet.

Using a Security Key with Duo

The Duo two-factor authentication platform supports security keys, offering secure login approvals resistant to phishing attacks combined with the one-tap convenience of Duo Push.

Using Duo with Touch ID (Mac)

This article can be helpful for users to add touch ID on their Mac for authentication with Duo.