> include /etc/openldap/schema/core.schema > include /etc/openldap/schema/cosine.schema > include /etc/openldap/schema/inetorgperson.schema > include /etc/openldap/schema/samba.schema > include /etc/openldap/schema/nis.schema Order is important, schema files have dependencies. samba.schema requires nis.schema, thus nis.schema must be included first.