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You are not notified that you have a pending approval
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Enable Notification for the Duo App
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Setup fails because your camera cannot capture the QR code
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Allow the Duo app to access your camera during setup (can be disabled once setup is complete)
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| Duo is set to automatically send a push to a device that is no longer in your possession. |
You should see a blue bar at the bottom of the 2FA box. Click Cancel and then either select the newly registered device. If you were unable to register your new device, contact the HelpDesk at 865-974-9900 for a passcode. Then on the Duo site, click Enter a Passcode. You can then update the setting to Ask Me to Choose an Authentication Method. |
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Cannot select “Remember me for 7 days” because Duo automatically pushes the notification
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Cancel the request, check the box, and push a second notification.
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Remember Me for 7 days option not working
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Google Chrome: Enable the following option: Settings > Advanced > Content Settings > Cookies > Allow sites to save and read cookie data (recommended). In the same area in Chrome, be sure to disable the following option: Keep local data only until you quit your browser.
Firefox: Preferences > Privacy & Security > Cookies and Site Data > Set Keep until to "They Expire"
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‘Choose an Authentication Method’ box on the Duo login screen is cut off
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Set your browser’s Zoom viewing setting to 100%.
Clear cache and cookies.
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iOS 12 and above: Safari does not display the Duo Push page after logging into CAS
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This is caused by web content set to being filtered. To change this setting go to: Settings > Screen Time > Content & Privacy Restrictions > Content Restrictions > Web Content > And select “Unrestricted Access”
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Duo login screen blocked or buttons missing
- Privacy-minded browser plug-ins such as NoScript or cookie managers, block third-party cookies
- Block cookies and storage access from third-party trackers.
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Add *.duosecurity.com to your allow list.
Firefox 63, disable Content Blocking.
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Issues with Qualtrics Surveys
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1. Log in to Qualtrics
2. Open the survey
3. Click on the Survey Flow tab
4. Remove the / in front of cas in the URI field
5. Click Save Flow
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Adobe Creative Cloud App
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The Adobe Creative Cloud App does not support security key authentication through Duo. Hardware tokens and the Duo Mobile App push work normally to authenticate.
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Issues receiving Duo activation links via SMS on a new phone
- Transferred phone number to a new phone and unable to receive an activation text message
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Contact the OIT HelpDesk at 865-974-9900 to have the phone number removed from your Duo account so that the phone can be added via QR code.
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