Getting Started with Two-Step Login (Duo)


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

How to Enroll in Duo

1) Choose which device(s) to register with Duo

  • For most people, this will include a smartphone.
  • All supported devices are described in detail in this related article.

2) Register your device(s)

  • For cell phones, tablets, desk phones, and home landlines:
    • Visit Duck ID Self-Service (, select Manage Your Duck ID, and log in
    • Click the link labeled Manage Two-Step Login Devices
    • You will be guided through the process of registering your first device
    • You can then register additional devices by clicking the + Add another device link (recommended)
  • For hardware tokens*:

Want a detailed step-by-step walkthrough of how to register? We've got you covered!

For additional details about registration, see How to register and manage devices for Duo.

3) You're enrolled!

Within one day of registering your first device, you'll start seeing Duo prompts when you log in to protected services.

4) Register a backup device (optional)

  • We strongly recommend registering at least two devices so that you have a backup method in case your main device is unavailable.
  • The registration instructions are the same as above, with one exception: After your first device has been registered, you'll be required to do two-step login before changing your settings in Duck ID Self-Service (

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