2.120 Attribute primaryGroupID

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This attribute specifies the relative identifier (RID) for the primary group of the user. By default, this is the RID for the Domain Users group. The user is a member of its primary group, although the group is not listed in the user's memberOf attribute. Likewise, a group object's member attribute will not list the user objects whose primaryGroupID is set to the group. For more information, refer to [MS-SAMR] section 3.1.1.8.2, [MS-ADTS], and [MS-ADA2] sections 2.43 and 2.45.

 cn: Primary-Group-ID
 ldapDisplayName: primaryGroupID
 attributeId: 1.2.840.113556.1.4.98
 attributeSyntax: 2.5.5.9
 omSyntax: 2
 isSingleValued: TRUE
 schemaIdGuid: bf967a00-0de6-11d0-a285-00aa003049e2
 systemOnly: FALSE
 searchFlags: fCOPY| fATTINDEX
 attributeSecurityGuid: 59ba2f42-79a2-11d0-9020-00c04fc2d3cf
 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.