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How to enroll a YubiKey for Duo 2FA

Modified on: Tue, Oct 17 2023 3:53 PM

Using the Duo Mobile app with your smart phone is the recommended method for Two-Factor Authentication (2FA). If you don't have a smart phone, a Security Key like the YubiKey, can serve as your 2nd factor.  To use a YubiKey with Duo, you must have the following:

  • A supported modern browser (current versions of Chrome, Firefox, Safari, or Microsoft Edge)
  • An available USB port that is the same type as your YubiKey (USB-A or USB-C)
  • Your YubiKey


Enrolling your YubiKey


  1. On a computer, open a browser and navigate to https://inside.ewu.edu/2fa/

  2. Click on Manage > under Manage Device(s)



  3. Enter your Username and SSO password, when prompted. 

  4. If you are prompted to enter a bypass code, contact the Help Desk at 509.359.2247. Your identity will be verified and a bypass code will be issued.

  5. Enter the provided bypass code in the prompt. 



  6. Click on Add a device.



  7. Select Security key.



  8. Insert your Security key / Yubikey and click Continue.



  9. If using a Windows computer, a Windows Security prompt will appear, Click Ok to proceed. 


  10. Another Windows Security prompt will apear, instructing you to touch your Security key / Yubikey. Gentle tap on the button. 



  11. You will receive a message that the Security key / Yubikey has been added. 



  12. You will now see the Security key / Yubikey listed under your managed devices in the Duo Portal. 


For instructions on authenticating with your YubiKey, please see: 

https://support.ewu.edu/support/solutions/articles/10000059665-how-to-use-your-yubikey-for-duo-2fa