Error Code S-1-5-21root domain-518

Definition of Well-known Security Identifiers (SIDs) codes.

S-1-5-21root domain-518

Schema Admins

A universal group in a native-mode domain; a global group in a mixed-mode domain. The group is authorized to make schema changes in Active Directory. By default, the only member of the group is the Administrator account for the forest root domain.

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This code may be used in the following events / insertation strings: