No login
From MoodleDocs
An account may be disabled by setting the authentication method to "No login". The account email may not be re-used to create another account.
Note: You are currently viewing documentation for Moodle 2.4. Up-to-date documentation for the latest stable version of Moodle may be available here: No login.
An account may be disabled by setting the authentication method to "No login". The account email may not be re-used to create another account.