[MS-WUSP]: Windows Update Services: Client-Server Protocol

[MS-WUSP]:

Windows Update Services: Client-Server Protocol

Intellectual Property Rights Notice for Open Specifications Documentation

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Technical Documentation. Microsoft publishes Open Specifications documentation (¡°this

documentation¡±) for protocols, file formats, data portability, computer languages, and standards

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Support. For questions and support, please contact dochelp@.

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[MS-WUSP] - v20240423

Windows Update Services: Client-Server Protocol

Copyright ? 2024 Microsoft Corporation

Release: April 23, 2024

Revision Summary

Date

Revision

History

Revision

Class

Comments

3/2/2007

1.0

New

Version 1.0 release

4/3/2007

1.1

Minor

Version 1.1 release

5/11/2007

1.2

Minor

Version 1.2 release

6/1/2007

1.2.1

Editorial

Changed language and formatting in the technical content.

7/3/2007

2.0

Major

Changed to unified format; updated technical content.

8/10/2007

3.0

Major

Updated and revised the technical content.

9/28/2007

4.0

Major

Updated and revised the technical content.

10/23/2007

4.0.1

Editorial

Changed language and formatting in the technical content.

1/25/2008

4.0.2

Editorial

Changed language and formatting in the technical content.

3/14/2008

4.0.3

Editorial

Changed language and formatting in the technical content.

6/20/2008

5.0

Major

Updated and revised the technical content.

7/25/2008

6.0

Major

Updated and revised the technical content.

8/29/2008

6.0.1

Editorial

Changed language and formatting in the technical content.

10/24/2008

7.0

Major

Updated and revised the technical content.

12/5/2008

8.0

Major

Updated and revised the technical content.

1/16/2009

9.0

Major

Updated and revised the technical content.

2/27/2009

9.0.1

Editorial

Changed language and formatting in the technical content.

4/10/2009

9.1

Minor

Clarified the meaning of the technical content.

5/22/2009

9.2

Minor

Clarified the meaning of the technical content.

7/2/2009

10.0

Major

Updated and revised the technical content.

8/14/2009

11.0

Major

Updated and revised the technical content.

9/25/2009

12.0

Major

Updated and revised the technical content.

11/6/2009

12.1

Minor

Clarified the meaning of the technical content.

12/18/2009

13.0

Major

Updated and revised the technical content.

1/29/2010

13.1

Minor

Clarified the meaning of the technical content.

3/12/2010

14.0

Major

Updated and revised the technical content.

4/23/2010

14.0.1

Editorial

Changed language and formatting in the technical content.

6/4/2010

14.0.2

Editorial

Changed language and formatting in the technical content.

7/16/2010

14.1

Minor

Clarified the meaning of the technical content.

8/27/2010

14.1

None

No changes to the meaning, language, or formatting of the

technical content.

2 / 188

[MS-WUSP] - v20240423

Windows Update Services: Client-Server Protocol

Copyright ? 2024 Microsoft Corporation

Release: April 23, 2024

Date

Revision

History

Revision

Class

Comments

10/8/2010

15.0

Major

Updated and revised the technical content.

11/19/2010

16.0

Major

Updated and revised the technical content.

1/7/2011

17.0

Major

Updated and revised the technical content.

2/11/2011

18.0

Major

Updated and revised the technical content.

3/25/2011

18.0

None

No changes to the meaning, language, or formatting of the

technical content.

5/6/2011

18.0

None

No changes to the meaning, language, or formatting of the

technical content.

6/17/2011

18.1

Minor

Clarified the meaning of the technical content.

9/23/2011

18.1

None

No changes to the meaning, language, or formatting of the

technical content.

12/16/2011

19.0

Major

Updated and revised the technical content.

3/30/2012

19.0

None

No changes to the meaning, language, or formatting of the

technical content.

7/12/2012

19.1

Minor

Clarified the meaning of the technical content.

10/25/2012

20.0

Major

Updated and revised the technical content.

1/31/2013

21.0

Major

Updated and revised the technical content.

8/8/2013

22.0

Major

Updated and revised the technical content.

11/14/2013

22.0

None

No changes to the meaning, language, or formatting of the

technical content.

2/13/2014

23.0

Major

Updated and revised the technical content.

5/15/2014

23.0

None

No changes to the meaning, language, or formatting of the

technical content.

6/30/2015

24.0

Major

Significantly changed the technical content.

10/16/2015

24.0

None

No changes to the meaning, language, or formatting of the

technical content.

7/14/2016

25.0

Major

Significantly changed the technical content.

6/1/2017

26.0

Major

Significantly changed the technical content.

9/15/2017

27.0

Major

Significantly changed the technical content.

12/1/2017

27.0

None

No changes to the meaning, language, or formatting of the

technical content.

9/12/2018

28.0

Major

Significantly changed the technical content.

3/4/2020

29.0

Major

Significantly changed the technical content.

4/7/2021

30.0

Major

Significantly changed the technical content.

6/25/2021

31.0

Major

Significantly changed the technical content.

3 / 188

[MS-WUSP] - v20240423

Windows Update Services: Client-Server Protocol

Copyright ? 2024 Microsoft Corporation

Release: April 23, 2024

Date

Revision

History

Revision

Class

Comments

10/6/2021

32.0

Major

Significantly changed the technical content.

4/29/2022

33.0

Major

Significantly changed the technical content.

4/11/2023

34.0

Major

Significantly changed the technical content.

11/28/2023

35.0

Major

Significantly changed the technical content.

4/23/2024

36.0

Major

Significantly changed the technical content.

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[MS-WUSP] - v20240423

Windows Update Services: Client-Server Protocol

Copyright ? 2024 Microsoft Corporation

Release: April 23, 2024

Table of Contents

1

Introduction ............................................................................................................ 7

1.1

Glossary ........................................................................................................... 7

1.2

References ........................................................................................................ 9

1.2.1

Normative References ................................................................................... 9

1.2.2

Informative References ............................................................................... 10

1.3

Overview ........................................................................................................ 11

1.4

Relationship to Other Protocols .......................................................................... 12

1.5

Prerequisites/Preconditions ............................................................................... 12

1.6

Applicability Statement ..................................................................................... 13

1.7

Versioning and Capability Negotiation ................................................................. 13

1.8

Vendor-Extensible Fields ................................................................................... 13

1.9

Standards Assignments..................................................................................... 13

2

Messages ............................................................................................................... 14

2.1

Transport ........................................................................................................ 14

2.1.1

Xpress Compression .................................................................................... 15

2.1.1.1

CompressOrDecompressWin2k3 .............................................................. 15

2.1.1.1.1

LZ77 Compression Algorithm ............................................................ 16

2.1.1.1.2

DIRECT2 Encoding Algorithm ............................................................ 18

2.2

Common Message Syntax ................................................................................. 21

2.2.1

Namespaces .............................................................................................. 22

2.2.2

Messages................................................................................................... 22

2.2.2.1

SimpleAuth Web Service ........................................................................ 22

2.2.2.1.1

GetAuthorizationCookie .................................................................... 22

2.2.2.2

Client Web Service ................................................................................ 23

2.2.2.2.1

GetConfig ....................................................................................... 23

2.2.2.2.2

GetCookie ...................................................................................... 26

2.2.2.2.3

RegisterComputer............................................................................ 27

2.2.2.2.4

SyncUpdates ................................................................................... 30

2.2.2.2.5

RefreshCache .................................................................................. 37

2.2.2.2.6

GetExtendedUpdateInfo ................................................................... 39

2.2.2.2.7

GetFileLocations .............................................................................. 41

2.2.2.2.8

StartCategoryScan .......................................................................... 43

2.2.2.2.9

SyncPrinterCatalog .......................................................................... 44

2.2.2.2.10

GetExtendedUpdateInfo2.................................................................. 45

2.2.2.3

Reporting Web Service .......................................................................... 49

2.2.2.3.1

ReportEventBatch ............................................................................ 49

2.2.2.4

Faults .................................................................................................. 60

2.2.2.5

Update Content Directory and Self-Update Content Directory ..................... 62

2.2.3

Complex Types ........................................................................................... 62

2.2.3.1

ArrayOfInt............................................................................................ 62

2.2.3.2

ArrayOfString ....................................................................................... 62

2.2.3.3

ArrayOfGuid ......................................................................................... 62

2.2.3.4

AuthorizationCookie .............................................................................. 62

2.2.3.5

Cookie ................................................................................................. 63

2.2.3.6

UpdateIdentity ..................................................................................... 63

2.2.3.7

ArrayOfBase64Binary ............................................................................ 64

2.2.4

Simple Types ............................................................................................. 64

2.2.4.1

Guid .................................................................................................... 64

3

Protocol Details ..................................................................................................... 65

3.1

Server Details .................................................................................................. 65

3.1.1

Abstract Data Model .................................................................................... 65

3.1.1.1

Populating the Data Model ..................................................................... 68

3.1.2

Timers ...................................................................................................... 72

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[MS-WUSP] - v20240423

Windows Update Services: Client-Server Protocol

Copyright ? 2024 Microsoft Corporation

Release: April 23, 2024

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