Nil UUID

00000000-0000-0000-0000-000000000000
Nil UUID

Version	None
Variant	reserved for NCS compatibility
urn	urn:uuid:00000000-0000-0000-0000-000000000000
Hexdump	00000000000000000000000000000000
Bytes	␀␀␀␀␀␀␀␀␀␀␀␀␀␀␀␀
Not an RFC4122 UUID actually	The version bits aren't corretly set.
Alternative encoding	00000000-0000-0000-0000-000000000000
Alternative encoding	00000000-0000-0000-0000-000000000000
(would-be) MAC Address	000000000000
(would-be) is_local bit	False
(would-be) is_multicast bit	False
(would-be) MAC Manufacturer	00:00:00
(would-be) MAC Date	2000-09-08, deepmac.org, 000000/24
Brother UUID	00000000-0000-0000-2000-000000000000 The (actual) NIL UUID evil brother

UUID registration form :

Nil UUID

as per rfc

PKEY_Null

//  Name:     System.Null -- PKEY_Null
//  Type:     Null -- VT_NULL
//  FormatID: 00000000-0000-0000-0000-000000000000, 0

0 Microsoft propkey.h

MS uuid.d GUID_NULL

from dlang/druntime/master/src/core/sys/windows/uuid.d

0 MS uuid.d push

SID_IShellChangeNotify

from https://github.com/libyal/libfwsi/blob/master/documentation/Windows%20Shell%20Item%20format.asciidoc#8-notes

0 schema_nt4.txt microsoft search schema catalog config

Seen in MS-{OAUT,WSUSSS,EVEN6,ADFSWAP,DMRP,DRSR,SAMLPR,RSVD,HGRP,WSSFO2,ADFSPP,WSSFO,WUSP,WSSFO3,ADCAP,OLEPS,SMB2,FRS1}

Counts : MS-OAUT:1
MS-WSUSSS:6
MS-EVEN6:2
MS-ADFSWAP:3
MS-DMRP:1
MS-DRSR:28
MS-SAMLPR:8
MS-RSVD:1
MS-HGRP:5
MS-WSSFO2:6
MS-ADFSPP:2
MS-WSSFO:6
MS-WUSP:6
MS-WSSFO3:6
MS-ADCAP:9
MS-OLEPS:2
MS-SMB2:1
MS-FRS1:2

-1 MS specs regex push

CnbarIE.dll, Cnbabe.dll - Commonname toolbar, http://www.doxdesk.com/parasite/CommonName.html

NCS
from https://misc.daniel-marschall.de/projects/guid_analysis/guid.txt

-1 autopush - dmde

AcCloseSave

sourcefrom http://www.dejadejadeja.com/detech/ocxdb/guidintnames.txt

0 autopush - guidintnames.txt

AcColorIndex

sourcefrom http://www.dejadejadeja.com/detech/ocxdb/guidintnames.txt

0 autopush - guidintnames.txt

AcCommand

sourcefrom http://www.dejadejadeja.com/detech/ocxdb/guidintnames.txt

0 autopush - guidintnames.txt

AcControlType

sourcefrom http://www.dejadejadeja.com/detech/ocxdb/guidintnames.txt

0 autopush - guidintnames.txt

_ACCOUNTINGPROPERTIES

sourcefrom http://www.dejadejadeja.com/detech/ocxdb/guidintnames.txt

0 autopush - guidintnames.txt

ACCOUNTINGPROPERTIES

sourcefrom http://www.dejadejadeja.com/detech/ocxdb/guidintnames.txt

0 autopush - guidintnames.txt

AccountStatusConstants

sourcefrom http://www.dejadejadeja.com/detech/ocxdb/guidintnames.txt

0 autopush - guidintnames.txt

Core GPO Engine

from https://blogs.technet.microsoft.com/mempson/2010/12/01/group-policy-client-side-extension-list/

0 automated push

00000000-0000-0000-0000-000000000000Nil UUID

00000000-0000-0000-0000-000000000000
Nil UUID