When a user is already created and have another auth method (ex: LDAP or manual) the user cannot log in. And there is no error message. We suggest to let the users login, of a setting to let the admins decide. ## <bountysource-plugin> Want to back this issue? **[Post a bounty on it!](https://www.bountysource.com/issues/4376933-multi-authentication-allow-users-with-different-auth-method-enter-if-the-email-is-the-same?utm_campaign=plugin&utm_content=tracker%2F253532&utm_medium=issues&utm_source=github)** We accept bounties via [Bountysource](https://www.bountysource.com/?utm_campaign=plugin&utm_content=tracker%2F253532&utm_medium=issues&utm_source=github). </bountysource-plugin>