Auth0 Service Not Found Error: MFA Suffix on Audience
Mar 10, 2026
Overview
This article explains why the following error occurs when attempting to use the /mfa suffix on the audience during multi-factor authentication (MFA) processes.
Service not found: https://Name-domain/mfa
Applies To
- Multi-Factor Authentication (MFA)
- Audience configuration
- Universal Login
Cause
A missing forward slash at the end of the URL causes the above error.
Solution
- Locate the audience URL configuration.
- Add a trailing/ to the end of the URL.
- Ensure the format matches:
https://Name-domain/mfa/.
Additional information regarding this configuration can be found in the Universal Login documentation.
