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LUID

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

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

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

Requirements

Header

Ntdef.h (include Ntifs.h)

See also

LUID_AND_ATTRIBUTES
RtlConvertLongToLuid
RtlConvertUlongToLuid
RtlCopyLuid
RtlEqualLuid
SeMarkLogonSessionForTerminationNotification
SeQueryAuthenticationIdToken
SeSinglePrivilegeCheck

 

 

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