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2.275 Attribute sn

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This attribute specifies the family or last name for a user.

 cn: Surname
 ldapDisplayName: sn
 attributeId: 2.5.4.4
 attributeSyntax: 2.5.5.12
 omSyntax: 64
 isSingleValued: TRUE
 schemaIdGuid: bf967a41-0de6-11d0-a285-00aa003049e2
 systemOnly: FALSE
 searchFlags: fANR | fATTINDEX
 rangeLower: 1
 rangeUpper: 64
 attributeSecurityGuid: e48d0154-bcf8-11d1-8702-00c04fb96050
 mapiID: 14865
 isMemberOfPartialAttributeSet: TRUE
 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.