Active Directory Schema Attribute : Security-Identifier
AD Schema Attributes » Security-Identifier attribute

Security-Identifier attribute

LDAP name securityIdentifier
Data type String
Single value or multi-value Single value
Attribute-Id 1.2.840.113556.1.4.121
CN Security-Identifier
Applies to Windows 2000 Server to Windows Server 2012
For more information securityIdentifier - MSDN

Purpose: This attribute is used to uniquely identify a user account, group, or a logon session.

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