MFA-Duo - What is a passcode and how is it used?

A passcode is a six-digit code that can be used to login to MFA-Duo. A passcode can be generated via the Duo Mobile App or a token/fob.

To login using a passcode from the Duo App on your smartphone/tablet, see MFA-Duo - Obtaining a Passcode from the Duo Mobile App

To login using a passcode from your token/fob see MFA-Duo - How to use a token/fob 

If you have forgotten or lost access to your MFA device, see MFA-Duo - Lost or Forgotten Device / Broken Device - Cannot Login

See accessibility & usability information

We work with our users to address access and usability barriers in the MFA user experience. Learn details about known access barriers and workarounds at MFA-Duo - Accessibility & Usability Information. If you encounter a barrier or need assistance, please contact the DoIT Help Desk or call (608) 264-4357.  
If you would like to share your thoughts regarding the usability or accessibility of the MFA user experience, please use our Feedback Form. We appreciate your feedback. For questions regarding how to get access to the MFA mobile app contact the DoIT Help Desk at (608) 264-4357 or email 

How to get access to a Security Key or Duo Token/Fob 


Students can come to the DoIT Help Desk location at 1210 W. Dayton St., Madison, WI 53706 on the first floor of the Computer Science and Statistics Building. Students with disabilities can also request a token or security key at the McBurney Disability Resource Center, 702 W. Johnson St., Suite #2104, Madison WI 53751 on the 2nd floor.

Pop-up help desk locations will also be available in late September. Availability and locations will be posted soon. For questions contact the DoIT Help Desk at (608) 264-4357 or email 

Faculty, Staff, and Researchers

Employees can get access to devices for MFA at their Human Resources Office. For questions contact the DoIT Help Desk at (608) 264-4357 or email 

Keywords:multi-factor authentication bypass temporary   Doc ID:85703
Owner:Kyle A.Group:Multi-Factor Authentication (MFA)
Created:2018-09-18 13:16 CDTUpdated:2019-08-20 15:16 CDT
Sites:DoIT Help Desk, Multi-Factor Authentication (MFA)
Feedback:  0   0