Platform SDK: Access Control

AllocateLocallyUniqueId

The AllocateLocallyUniqueId function allocates a locally unique identifier (LUID).

BOOL AllocateLocallyUniqueId(
  PLUID Luid     // locally unique identifier
);

Parameters

Luid
[out] Pointer to a buffer that receives the allocated LUID.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

An LUID is unique only within a single session. The same LUID value can be used on different computers or on the same computer after it has been restarted.

Requirements

  Windows NT/2000: Requires Windows NT 3.1 or later.
  Header: Declared in Winbase.h; include Windows.h.
  Library: Use Advapi32.lib.

See Also

Access Control Overview, Access Control Functions, LookupPrivilegeValue