3082635 - Your password has not been used for more than X months. When Identity Authentication is sending this type of e-mail?

The user is receiving the following info screen after logging in to an application with Identity Authentication:

Your password has not been used for more than X months. To help maintain your security, your password needs to be reset. We have sent an e-mail to your e-mail address containing a link to a page where you can reset your password. The link in the e-mail will expire Y.

However, the user confirmed, that in the past X months there were successful logins with the same Identity Authentication tenant and with the same user.

Identity Authentication

IAS, password reset, login, log in, remember me , KBA , BC-IAM-IDS , Identity Authentication Service , Problem