Comparto con la Lista el guarri-howto que atilaX ha encontrado para configurar Owncloud contra LDAP usando el plugin php_ldap. Howto setup ownCloud with LDAP BASIC - Host: server.domain.com - Base: DC=domain,DC=com - Name: ldapuser@xxxxxxxxxx - Password: ldappassword - User Login: sAMAccountName=%uid - User List Filter: objectClass=person - Group Filter: (blank) ADVANCED - Port: 389 - Base User Tree: OU=Users,DC=domain,DC=com - Base Group Tree: (blank) - Group-Member association: uniqueMember - Use TLS: Unchecked - Case insensitve LDAP server (Windows): Checked - Display Name Field: sAMAccountName - Group Display Name Field: (blank) - Quota Attribute: (blank) - Quota Default: (blank) - Email Attribute: (blank) Make sure php_ldap module is loaded in IIS or Apache.