The security identifier (SID) structure is a variable-length structure used to uniquely identify users or groups.
Applications should not modify a SID directly. To create and manipulate a security identifier, use the functions listed in the See Also section.
Requirements
| Minimum supported client | Windows 2000 Professional |
| Minimum supported server | Windows 2000 Server |
| Header | Winnt.h (include Windows.h) |
See Also
- SID Components
- AllocateAndInitializeSid
- ConvertSidToStringSid
- ConvertStringSidToSid
- CopySid
- EqualSid
- FreeSid
- GetLengthSid
- GetSidIdentifierAuthority
- GetSidLengthRequired
- GetSidSubAuthority
- GetSidSubAuthorityCount
- InitializeSid
- IsValidSid
- LookupAccountName
- LookupAccountSid
Send comments about this topic to Microsoft
Build date: 9/11/2009