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This page provides answers to frequently asked questions about two-step login (Duo).

This page provides instructions for getting started with Duo, UO's two-step login service.

Instructions for reconnecting Duo with your cell phone after replacing it.

Information about the Duo Mobile smartphone app.

A guide to all the ways to complete a two-step login

Instructions for configuring a YubiKey (uncommon) to work with Duo

Temporary bypass codes allow you to two-step login without your registered device(s)

The Duo Mobile application on your cellphone can be used to generate a list of two-step login passcodes.

A brief description of how to register new and manage existing devices with Duo.

Instructions for setting up an HOTP token (uncommon) for two-step login.

This article explains how to get passcodes via text message (SMS) to use for Duo authentication.

This page provides students with instructions for opting in to Duo two-step login.

This article contains a list of UO services that are protected by two-step login (Duo).

Watch videos about Duo; topics include general information, a demo, and a registration walkthrough

This article explains how to use Duo as a second-factor when authenticating into Shibboleth services.

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