Add a new schema class or attribute definition to the AD LDS schema

1. Open the Active Directory Schema snap-in and connect to the AD LDS instance in which you want to deactivate classes or attributes. For more information, see Use the Active Directory Schema Snap-in to Administer AD LDS Instances.
2. In the console tree, double-click Active Directory Schema.
3. Do one of the following:
   • To add a class definition, in the console tree, right-click Classes, click Create Class, and then provide the requested information.
     
   • To add an attribute definition, in the console tree, right-click Attributes, click Create Attribute, and then provide the requested information.