Note - Schema checking works by default when database modifications are made using an LDAP client, such as ldapmodify, the Directory Server console, or when importing a database from LDIF.

If you turn schema checking off, you will have to verify manually that your entries conform to the schema. If schema checking is turned on, the server sends an error message to inform you of the entries that do not match the schema. Make sure that the attributes and object classes you create in your LDIF statements are both spelled correctly and identified in dse.ldif. You will need to create a file in LDIF format in the schema directory or add the elements to 99user.ldif.