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2.189 Attribute dnsRoot

The uppermost fully qualified domain name (FQDN) (1) ([MS-ADTS] section 1.1) assigned to a domain naming context. This is set on a crossRef object and is used, among other things, for referral generation. A search through an entire domain tree must be initiated at the Dns-Root object. This attribute can be multivalued, in which case multiple referrals are generated.

 cn: Dns-Root
 ldapDisplayName: dnsRoot
 attributeId: 1.2.840.113556.1.4.28
 attributeSyntax: 2.5.5.12
 omSyntax: 64
 isSingleValued: FALSE
 schemaIdGuid: bf967959-0de6-11d0-a285-00aa003049e2
 systemOnly: FALSE
 searchFlags: fATTINDEX
 rangeLower: 1
 rangeUpper: 255
 systemFlags: FLAG_SCHEMA_BASE_OBJECT
 schemaFlagsEx: FLAG_ATTR_IS_CRITICAL

Version-Specific Behavior: Implemented on Windows 2000 Server operating system, Windows Server 2003 operating system, Windows Server 2003 R2 operating system, Windows Server 2008 operating system, Windows Server 2008 R2 operating system, Windows Server 2012 operating system, Windows Server 2012 R2 operating system, and Windows Server 2016 Technical Preview operating system.

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

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