MFA (Duo Mobile) Common Issues & Troubleshooting

Cal Poly Service Desk staff sometimes encounter common issues and will share MFA (Duo) troubleshooting information in this section.

Need a bypass code?

Use the device that has Face/Touch ID.
Enable popups in Safari by going to System Settings -> Safari, then turn off the toggle for Block Pop-ups.
Log into the My Cal Poly Portal then navigate to Personal Info -> Authorized Devices -> Multi-factor Authentication -> Edit -> Add a Device. Need help? See how to Add a New Mobile Phone to My Duo Account.
If you see a blank screen and do not see the option to add a device, ensure that popups are enabled in your browser.

TIPS:

If you need further assistance please contact the Cal Poly Service Desk.