You can view schema definitions in the properties of the attributeSchema and classSchema objects in the Active Directory Schema snap-in in Microsoft Management Console (MMC).
Membership in Domain Users, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at
 | To view a schema class or attribute definition |
Open the Active Directory Schema snap-in.
In the console tree, double-click Active Directory Schema.
Do one of the following:
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To view a class definition, in the console tree, click and expand Classes. Right-click the class for which you want to view a definition, and then click Properties.
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To view an attribute definition, in the console tree, click Attributes. In the details pane, right-click the attribute for which you want to view a definition, and then click Properties.
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To view a class definition, in the console tree, click and expand Classes. Right-click the class for which you want to view a definition, and then click Properties.
Additional considerations
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Performing this task does not require you to have administrative credentials. Therefore, as a security best practice, consider performing this task as a user without administrative credentials.
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If the Active Directory Schema snap-in is not installed, see Install the Active Directory Schema Snap-In.