2.39 Attribute objectCategory

This attribute specifies an object class name that is used to group objects of this or derived classes. Every object in Active Directory has this attribute. See [MS-ADTS] section 3.1.1.3.1.3.5 for more information about how Active Directory uses this attribute in searches.

 cn: Object-Category
 ldapDisplayName: objectCategory
 attributeId: 1.2.840.113556.1.4.782
 attributeSyntax: 2.5.5.1
 omSyntax: 127
 omObjectClass: 1.3.12.2.1011.28.0.714
 isSingleValued: TRUE
 schemaIdGuid: 26d97369-6070-11d1-a9c6-0000f80367c1
 systemOnly: FALSE
 searchFlags: fATTINDEX
 attributeSecurityGuid: e48d0154-bcf8-11d1-8702-00c04fb96050
 isMemberOfPartialAttributeSet: TRUE
 systemFlags: FLAG_SCHEMA_BASE_OBJECT | 
  FLAG_ATTR_REQ_PARTIAL_SET_MEMBER 
 schemaFlagsEx: FLAG_ATTR_IS_CRITICAL

Version-Specific Behavior: First implemented on Windows 2000 Server operating system.

The schemaFlagsEx attribute was added to this attribute definition in Windows Server 2008 operating system.