How to Reset MFA for a User Enrolled with Duo
Feb 20, 2026
Overview
When an Auth0 tenant administrator receives a request to reset MFA for a user who enrolled in Duo, the Auth0 dashboard doesn't show information to reset that particular MFA enrollment.
This article explains the necessary process to reset MFA for users who have Duo MFA.
Applies To
- Reset MFA
- Duo
Solution
- Convert the Auth0 user id to Base-64 encoded format
- Convert the encoded hash to lowercase.
For example:
Auth0 user id: google-oauth2|107989355747066568537
Duo username: z29vz2xllw9hdxromnxyyw5kb20tc3ryaw5n
Resetting the MFA on the Duo dashboard will prompt the user to re-enroll for MFA during the next login.