How To Reset User Passwords after Bulk Import when Password Hashes are in an Unsupported Format
Sep 10, 2025
Overview
This article provides several methods for asking imported users for a password reset when the imported passwords are not hashed using a supported algorithm.
Applies To
- Bulk Import
- Reset User Passwords
Solution
Using the Automatic Migration option, passwords do not need to be reset, even if the external source database uses an unsupported hash algorithm.
- Refer to Configure Automatic Migration from Your Database for more details.
If Automatic Migration is not an option,
Send password change emails
- Leverage the Auth0 API. See Change Users' Passwords for comprehensive steps on several options involving the Auth0 API.
Let users click the "Forgot password?" link on the first login
- Display a message like "Please reset your password from this link on the first login" on the login page.
Use Email Passwordless for the first login
- Use Account Linking with the Username+Password connection. Then let the user reset the password so they can use the password next time.
