Duo Authentication Screen Not Loading

Tags duo


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


  1. Clear cache and cookies.
  2. Try an incognito/private window.
  3. Restart the web browser.
  4. Disable ad-blockers.
  5. If on a mobile device, you may need to adjust device ad blocking settings.

For further assistance, please contact the UTD OIT Helpdesk.


Article ID: 188
Mon 11/22/21 12:43 PM
Tue 7/18/23 5:44 PM

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Duo is the university two-factor authentication method designed to add a second layer of security to your NetID account. Verifying your identity using a second factor, such as your phone or a security key, prevents anyone but you from logging in, even if they know your password.