1. Make sure you have Manager access to the Schema database.

2. Open the Schema database (SCHEMA.NSF) on any server in the domain that runs the LDAP service.

3. Select the All Schema Documents view, then click New Document - Add Attribute Type.

4. Complete these fields on the Basics tab:

For more information, see RFCs 2252 and 2256.

Field	Action
LDAP name	Enter a name for the attribute. The name can contain only ASCII characters and hyphens. Do not include a space in the name.
OID	Enter the object identifier.
Syntax name	Select a syntax defined in the schema for the new attribute, then click OK. The Syntax type field automatically displays the OID for the selected syntax.
Description	(Optional) Enter a description for the attribute.
Equality match	(Optional) Select a matching rule to apply when the equality operator is used to search for this attribute.
Ordering match	(Optional) Select a matching rule to apply when an ordering operator is used to search for this attribute.
Substrings match	(Optional) Select a matching rule to apply when a substring operator is used to search for this attribute.
Single valued	Choose one: Yes to allow more than one value for the attribute (default) No to allow only one value
Collective	Choose one: Yes to allow the values for this attribute to be shared No to prevent values from being shared (default)
No user modification	Choose one: Yes to prevent users from modifying the values No to allow users to modify values (default)

6. Complete the procedure "Approving draft schema documents in the Schema database."

Related topics

Approving draft schema elements in the Schema database
Extending the schema using the Schema database

Glossary