I use Active Directory for authentication and for enroll in my moodle 1.5 installation.
Everything works, but if I use auth_ldap_sync_users.php script to verify users on ldap, I lost every course association. When an user login, moodle verify the groups on ldap, and permit the access on courses.
But I've a lot of users, and if I send news in couses it send the mail only to whom accessed the site. How can I force moodle to re-enroll every user to courses?