2.48 Attribute oMObjectClass

This attribute specifies the unique object ID (OID) for the attribute or class. See [MS-ADTS] section 3.1.1.2.2.2, "LDAP Representation", for information on how this object is used by the Active Directory service.

 cn: OM-Object-Class
 ldapDisplayName: oMObjectClass
 attributeId: 1.2.840.113556.1.2.218
 attributeSyntax: 2.5.5.10
 omSyntax: 4
 isSingleValued: TRUE
 schemaIdGuid: bf9679ec-0de6-11d0-a285-00aa003049e2
 systemOnly: TRUE
 searchFlags: 0
 mapiID: 33021
 systemFlags: FLAG_SCHEMA_BASE_OBJECT
 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.