Good day. In our testing we’ve found an interesting case where a user can be blocked for having too many incorrect logins, even if it’s not their fault, it’s just that there was a connection error between Auth0 and our custom Auth Provider. I can see in the documentation that return callback(new …

Custom Database Connection Errors causing Blocked Users

dawid.matuszczyk April 30, 2025, 9:06pm 3

Welcome to the Auth0 Community!

I’ll report this behaviour to our Engineering team. I will update you as soon as I have more details from them!

Thank you for being a part of our community!
Dawid

Topic		Replies	Views
Users in the database that were not created through Auth0 get blocked on login Get Help auth0 , api	3	2949	March 24, 2020
Is It possible to customize Blocked user page? Get Help	8	8320	January 8, 2020
Invalid login credentials produce <UNKNOWN_ERROR> Get Help connections , custom-database-connections	8	2031	July 12, 2023
Classic Universal Login - Custom Errors Get Help lock , auth0 , custom-database , login , universal-login	1	2084	March 23, 2022
Can I display custom error messages when using a Custom DB? Get Help custom-database , custom	2	5335	August 27, 2019