OIT Home > OIT Knowledge Base Search Knowledge Base: Getting Started with DUO Two-Factor Authentication Article Contents: First-time Duo Device Setup Duo Device Restore or Reactivation Known Issues and Fixes Setup Sign up for two-factor authentication from your desktop or laptop computer. During this process, you will need to have your smartphone available to set up Duo Mobile on your phone. Don't have a smartphone? Call the OIT HelpDesk at 865-974-9900 to get started. Go to 2fa.utk.edu/signup Log in with your NetID and password and follow the directions until you reach the Duo Setup Screen. Select Start Setup. Select which type of device you are adding. Enter your phone number and check the box to confirm the number is correct. Press continue. Select what type of phone/tablet you are using. Install the "Duo Mobile" app on your mobile device from the Google Play Store, Apple App Store, or the Windows Mobile App Store. Scan the onscreen code from the Duo app. Restore or Reactivation If you get a new phone, you will need to restore your Duo account to the new phone before you will be able to sign in. If your app isn't working as expected, you can also use the restore to reactivate your device. Once you have your new phone, go to 2fa.utk.edu/restore Log in with your NetID and password and additional verification information. Select one of the Duo methods to log in. Call Me: Call the cell phone number already registered. Select 7 to approve. Enter a Passcode: Select ‘Text me new codes’ to receive an SMS message to the phone number registered with new codes. Send Me a Push (only if you have access to your old phone). Select ‘Device Options’ for your phone and choose ‘Reactivate Duo Mobile’ and follow the instructions. Known Issues Known Issue Solution/Workaround You are not notified that you have a pending approval Enable Notification for the Duo App Setup fails because your camera cannot capture the QR code Allow the Duo app to access your camera during setup (can be disabled once setup is complete) Cannot select “Remember me for 7 days” because Duo automatically pushes the notification Cancel the request, check the box, and push a second notification. Remember Me for 7 days option not working 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" ‘Choose an Authentication Method’ box on the Duo login screen is cut off Set your browser’s Zoom viewing setting to 100%. Clear cache and cookies. 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. Add *.duosecurity.com to your whitelist Firefox 63, disable Content Blocking. Need more help?