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LUID structure (igpupvdev.h)

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A LUID (locally unique identifier) is a 64-bit value guaranteed to be unique only on the system on which it was generated. The uniqueness of a LUID is guaranteed only until the system is restarted.

A LUID is not for direct manipulation. Drivers must use support routines and structures to manipulate LUID values.

Syntax

typedef struct _LUID {
  DWORD LowPart;
  LONG  HighPart;
} LUID, *PLUID;

Members

LowPart

Low order bits.

HighPart

High order bits.

Requirements

Requirement Value
Minimum supported client Windows Vista
Header igpupvdev.h (include Fwptypes.h, Fwpsk.h)