On Nov 09, 2012, at 14.14, Simone Scremin wrote: > ldap_add: Invalid syntax (21) > additional info: objectClass: value #1 invalid per syntax have you loaded the nssov module? e.g.: dn: cn=module{0},cn=config objectClass: olcModuleList cn: module{0} olcModuleLoad: nssov olcModulePath: /usr/lib/ldap -ben