In the PMSelfService site, it is possible to find users and reset their passwords using the "Forgot My Password" Workflow, but any Workflow which requires entering the current password will not accept a known, working password and just fails with the error:
Username or password is incorrect.
In the verbose logging for the service, the following error message is encountered:
2024-08-31 16:59:37:266 E [14032:103] QPM.Service.Modules.ADHelpers.dll ADHelper.ValidateCredentials() >> 00002028: LdapErr: DSID-0C09032F, comment: The server requires binds to turn on integrity checking if SSL\TLS are not already active on the connection, data 0, v4563