In the context of the

Microsoft Microsoft Corporation is an American multinational corporation, multinational technology company, technology corporation producing Software, computer software, consumer electronics, personal computers, and related services headquartered at th ...

Windows NT Windows NT is a proprietary graphical operating system produced by Microsoft, the first version of which was released on July 27, 1993. It is a processor-independent, multiprocessing and multi-user operating system. The first version of Wi ...

line of computer

operating systems An operating system (OS) is system software that manages computer hardware, software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ef ...

, the relative identifier (RID) is a variable length number that is assigned to objects at creation and becomes part of the object's

Security Identifier In the context of the Microsoft Windows NT line of operating systems, a Security Identifier (commonly abbreviated SID) is a unique, immutable identifier of a user, user group, or other security principal. A security principal has a single SID for ...

(SID) that uniquely identifies an account or group within a domain. The Relative ID Master allocates security RIDs to Domain Controllers to assign to new Active Directory security principals (users, groups or computer objects). It also manages objects moving between domains. The ''Relative ID Master'' is one role of the

Flexible single master operation Flexible Single Master Operations (FSMO, F is sometimes "floating"; pronounced Fiz-mo), or just single master operation or operations master, is a feature of Microsoft's Active Directory (AD). As of 2005, the term FSMO has been deprecated in favour ...

for assigning RID.

References

Security Identifiers (SID)

Windows NT kernel {{computer-stub

See also

References