Summary

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) make sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

Important Before you install this update, see the Prerequisites section.

How to get this update

Method 1: Windows Update 

This update is available through Windows Update. It will be downloaded and installed automatically.  

Method 2: Microsoft Update Catalog 

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Windows Server Update Services

This update is also available through Windows Server Update Services (WSUS).

Prerequisites

To install Windows Server 2008 SP2 updates released on or after July 2019, you must have the following required updates installed. If you use Windows Update, these required updates will be offered automatically as needed.

Important You must restart your device after you install these required updates.

Restart information 

You don't have to restart your computer after you apply this update.

Removal information

Servicing stack updates (SSUs) make changes to how updates are installed and cannot be uninstalled from the device.

Update replacement information 

This update replaces the previously released SSU update KB4537830.

File Information


File attributes

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

Note: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.

File verification

File hash information

File name

SHA1 hash

SHA256 hash

Windows6.0-KB4550736-x86.msu

E9A8F875FF8CC5DF05FA895330D9B6D939C21EC7

89C8C36D7BD203235092E390A9E9A03CA3C627A5228D52F0503517295B62EC68

Windows6.0-KB4550736-x64.msu

FAAE5B7550A61B5A141D3E8CC7B519BD53BB472E

980AB7EF399958DA1E03AD6327B99BD31C2BCF69A32FD07D337CD8BE7AFBA7A6

Windows6.0-KB4550736-ia64.msu

806F12E180C2259C3151BB65FB6361B1EF2B5461

806FD3A58A57A3F79BC418D0E9C80F0717DD93599A73AD4861027EBAB438A8ED

For all supported x86-based versions

File name

File version

File size

Date

Time

Apds.dll

6.0.6003.20789

1,745,920

04-Mar-2020

20:43

Apircl.dll

6.0.6003.20789

222,720

04-Mar-2020

20:43

Apss.dll

6.0.6003.20789

199,168

04-Mar-2020

20:43

Cbscore.dll

6.0.6003.20789

535,040

04-Mar-2020

20:43

Cbsmsg.dll

6.0.6003.20789

22,016

04-Mar-2020

20:43

Cmiadapter.dll

6.0.6003.20789

119,808

04-Mar-2020

20:43

Cmitrust.dll

6.0.6003.20789

278,016

04-Mar-2020

20:43

Cmiv2.dll

6.0.6003.20789

2,040,320

04-Mar-2020

20:43

Cntrtextinstaller.dll

6.0.6003.20789

243,712

04-Mar-2020

20:43

Dpx.dll

6.0.6003.20789

258,560

04-Mar-2020

20:43

Drupdate.dll

6.0.6003.20789

101,376

04-Mar-2020

20:43

Drvstore.dll

6.0.6003.20789

248,320

04-Mar-2020

20:43

Esscli.dll

6.0.6003.20789

266,240

04-Mar-2020

20:43

Extendedsecurityupdatesai.dll

6.0.6003.20789

82,944

04-Mar-2020

19:39

Fastprox.dll

6.0.6003.20789

616,448

04-Mar-2020

20:43

Globalinstallorder.xml

Not applicable

1,842,876

21-Nov-2017

04:21

Helpcins.dll

6.0.6003.20789

100,864

04-Mar-2020

20:43

Locdrv.dll

6.0.6003.20789

229,376

04-Mar-2020

20:43

Mofd.dll

6.0.6003.20789

189,952

04-Mar-2020

20:43

Mofinstall.dll

6.0.6003.20789

102,400

04-Mar-2020

20:43

Msdelta.dll

6.0.6003.20789

305,664

04-Mar-2020

20:43

Mspatcha.dll

6.0.6003.20789

35,328

04-Mar-2020

20:43

Oemhelpins.dll

6.0.6003.20789

146,944

04-Mar-2020

20:43

Pkgmgr.exe

6.0.6003.20789

130,560

04-Mar-2020

19:39

Poqexec.exe

6.0.6003.20789

119,296

04-Mar-2020

19:39

Repdrvfs.dll

6.0.6003.20789

266,752

04-Mar-2020

20:43

Rescinst.dll

6.0.6003.20789

126,976

04-Mar-2020

20:43

Smiengine.dll

6.0.6003.20789

705,024

04-Mar-2020

20:43

Smiinstaller.dll

6.0.6003.20789

139,264

04-Mar-2020

20:43

Smipi.dll

6.0.6003.20789

117,248

04-Mar-2020

20:43

Wbemcomn.dll

6.0.6003.20789

357,888

04-Mar-2020

20:43

Wbemcore.dll

6.0.6003.20789

746,496

04-Mar-2020

20:43

Wbemprox.dll

6.0.6003.20789

30,208

04-Mar-2020

20:43

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:34

Wcp.dll

6.0.6003.20789

1,838,592

04-Mar-2020

20:43

Wdscore.dll

6.0.6003.20789

219,136

04-Mar-2020

20:43

Wmiutils.dll

6.0.6003.20789

83,968

04-Mar-2020

20:43

Wrpint.dll

6.0.6003.20789

51,712

04-Mar-2020

20:43

Xmllite.dll

1.2.1012.0

183,296

04-Mar-2020

20:43

For all supported x64-based versions

File name

File version

File size

Date

Time

Apds.dll

6.0.6003.20789

2,127,872

04-Mar-2020

20:43

Apircl.dll

6.0.6003.20789

273,920

04-Mar-2020

20:43

Apss.dll

6.0.6003.20789

231,936

04-Mar-2020

20:43

Cbscore.dll

6.0.6003.20789

643,072

04-Mar-2020

20:43

Cbsmsg.dll

6.0.6003.20789

22,016

04-Mar-2020

20:43

Cmiadapter.dll

6.0.6003.20789

125,440

04-Mar-2020

20:43

Cmitrust.dll

6.0.6003.20789

460,800

04-Mar-2020

20:43

Cmiv2.dll

6.0.6003.20789

3,827,200

04-Mar-2020

20:43

Cntrtextinstaller.dll

6.0.6003.20789

271,872

04-Mar-2020

20:43

Dpx.dll

6.0.6003.20789

404,480

04-Mar-2020

20:43

Drupdate.dll

6.0.6003.20789

119,296

04-Mar-2020

20:43

Drvstore.dll

6.0.6003.20789

316,416

04-Mar-2020

20:43

Esscli.dll

6.0.6003.20789

428,544

04-Mar-2020

20:43

Extendedsecurityupdatesai.dll

6.0.6003.20789

95,232

04-Mar-2020

19:51

Fastprox.dll

6.0.6003.20789

892,416

04-Mar-2020

20:43

Globalinstallorder.xml

Not applicable

1,842,876

21-Nov-2017

04:19

Helpcins.dll

6.0.6003.20789

136,704

04-Mar-2020

20:43

Locdrv.dll

6.0.6003.20789

378,880

04-Mar-2020

20:43

Mofd.dll

6.0.6003.20789

272,896

04-Mar-2020

20:43

Mofinstall.dll

6.0.6003.20789

117,760

04-Mar-2020

20:43

Msdelta.dll

6.0.6003.20789

460,288

04-Mar-2020

20:43

Mspatcha.dll

6.0.6003.20789

46,592

04-Mar-2020

20:43

Oemhelpins.dll

6.0.6003.20789

208,384

04-Mar-2020

20:43

Pkgmgr.exe

6.0.6003.20789

138,752

04-Mar-2020

19:52

Poqexec.exe

6.0.6003.20789

137,728

04-Mar-2020

19:51

Repdrvfs.dll

6.0.6003.20789

381,952

04-Mar-2020

20:43

Rescinst.dll

6.0.6003.20789

148,480

04-Mar-2020

20:43

Smiengine.dll

6.0.6003.20789

936,448

04-Mar-2020

20:43

Smiinstaller.dll

6.0.6003.20789

145,408

04-Mar-2020

20:43

Smipi.dll

6.0.6003.20789

122,880

04-Mar-2020

20:43

Wbemcomn.dll

6.0.6003.20789

528,384

04-Mar-2020

20:43

Wbemcore.dll

6.0.6003.20789

1,175,552

04-Mar-2020

20:43

Wbemprox.dll

6.0.6003.20789

43,520

04-Mar-2020

20:43

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:33

Wcp.dll

6.0.6003.20789

2,634,240

04-Mar-2020

20:43

Wdscore.dll

6.0.6003.20789

294,912

04-Mar-2020

20:43

Wmiutils.dll

6.0.6003.20789

131,584

04-Mar-2020

20:43

Wrpint.dll

6.0.6003.20789

57,856

04-Mar-2020

20:43

Xmllite.dll

1.2.1012.0

180,736

04-Mar-2020

20:43

Apds.dll

6.0.6003.20789

1,745,920

04-Mar-2020

20:43

Apircl.dll

6.0.6003.20789

222,720

04-Mar-2020

20:43

Apss.dll

6.0.6003.20789

199,168

04-Mar-2020

20:43

Cbscore.dll

6.0.6003.20789

535,040

04-Mar-2020

20:43

Cbsmsg.dll

6.0.6003.20789

22,016

04-Mar-2020

20:43

Cmiadapter.dll

6.0.6003.20789

119,808

04-Mar-2020

20:43

Cmitrust.dll

6.0.6003.20789

278,016

04-Mar-2020

20:43

Cmiv2.dll

6.0.6003.20789

2,040,320

04-Mar-2020

20:43

Cntrtextinstaller.dll

6.0.6003.20789

243,712

04-Mar-2020

20:43

Dpx.dll

6.0.6003.20789

258,560

04-Mar-2020

20:43

Drupdate.dll

6.0.6003.20789

101,376

04-Mar-2020

20:43

Drvstore.dll

6.0.6003.20789

248,320

04-Mar-2020

20:43

Esscli.dll

6.0.6003.20789

266,240

04-Mar-2020

20:43

Extendedsecurityupdatesai.dll

6.0.6003.20789

82,944

04-Mar-2020

19:39

Fastprox.dll

6.0.6003.20789

616,448

04-Mar-2020

20:43

Globalinstallorder.xml

Not applicable

1,842,876

21-Nov-2017

04:21

Helpcins.dll

6.0.6003.20789

100,864

04-Mar-2020

20:43

Locdrv.dll

6.0.6003.20789

229,376

04-Mar-2020

20:43

Mofd.dll

6.0.6003.20789

189,952

04-Mar-2020

20:43

Mofinstall.dll

6.0.6003.20789

102,400

04-Mar-2020

20:43

Msdelta.dll

6.0.6003.20789

305,664

04-Mar-2020

20:43

Mspatcha.dll

6.0.6003.20789

35,328

04-Mar-2020

20:43

Oemhelpins.dll

6.0.6003.20789

146,944

04-Mar-2020

20:43

Pkgmgr.exe

6.0.6003.20789

130,560

04-Mar-2020

19:39

Poqexec.exe

6.0.6003.20789

119,296

04-Mar-2020

19:39

Repdrvfs.dll

6.0.6003.20789

266,752

04-Mar-2020

20:43

Rescinst.dll

6.0.6003.20789

126,976

04-Mar-2020

20:43

Smiengine.dll

6.0.6003.20789

705,024

04-Mar-2020

20:43

Smiinstaller.dll

6.0.6003.20789

139,264

04-Mar-2020

20:43

Smipi.dll

6.0.6003.20789

117,248

04-Mar-2020

20:43

Wbemcomn.dll

6.0.6003.20789

357,888

04-Mar-2020

20:43

Wbemcore.dll

6.0.6003.20789

746,496

04-Mar-2020

20:43

Wbemprox.dll

6.0.6003.20789

30,208

04-Mar-2020

20:43

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:34

Wcp.dll

6.0.6003.20789

1,838,592

04-Mar-2020

20:43

Wdscore.dll

6.0.6003.20789

219,136

04-Mar-2020

20:43

Wmiutils.dll

6.0.6003.20789

83,968

04-Mar-2020

20:43

Wrpint.dll

6.0.6003.20789

51,712

04-Mar-2020

20:43

Xmllite.dll

1.2.1012.0

183,296

04-Mar-2020

20:43

For all supported ia64-based versions

File name

File version

File size

Date

Time

Apds.dll

6.0.6003.20789

3,298,816

04-Mar-2020

20:43

Apircl.dll

6.0.6003.20789

749,056

04-Mar-2020

20:43

Apss.dll

6.0.6003.20789

556,032

04-Mar-2020

20:43

Cbscore.dll

6.0.6003.20789

1,510,912

04-Mar-2020

20:43

Cbsmsg.dll

6.0.6003.20789

33,792

04-Mar-2020

20:43

Cmiadapter.dll

6.0.6003.20789

280,576

04-Mar-2020

20:43

Cmitrust.dll

6.0.6003.20789

922,112

04-Mar-2020

20:43

Cmiv2.dll

6.0.6003.20789

6,515,712

04-Mar-2020

20:43

Cntrtextinstaller.dll

6.0.6003.20789

589,824

04-Mar-2020

20:43

Dpx.dll

6.0.6003.20789

766,976

04-Mar-2020

20:43

Drupdate.dll

6.0.6003.20789

219,136

04-Mar-2020

20:43

Drvstore.dll

6.0.6003.20789

616,960

04-Mar-2020

20:43

Esscli.dll

6.0.6003.20789

1,000,448

04-Mar-2020

20:43

Extendedsecurityupdatesai.dll

6.0.6003.20789

205,312

04-Mar-2020

19:45

Fastprox.dll

6.0.6003.20789

2,097,152

04-Mar-2020

20:43

Globalinstallorder.xml

Not applicable

1,842,876

31-Dec-2019

03:00

Helpcins.dll

6.0.6003.20789

184,832

04-Mar-2020

20:43

Locdrv.dll

6.0.6003.20789

793,600

04-Mar-2020

20:43

Mofd.dll

6.0.6003.20789

637,952

04-Mar-2020

20:43

Mofinstall.dll

6.0.6003.20789

289,280

04-Mar-2020

20:43

Msdelta.dll

6.0.6003.20789

890,368

04-Mar-2020

20:43

Mspatcha.dll

6.0.6003.20789

109,568

04-Mar-2020

20:43

Oemhelpins.dll

6.0.6003.20789

400,896

04-Mar-2020

20:43

Pkgmgr.exe

6.0.6003.20789

324,608

04-Mar-2020

19:45

Poqexec.exe

6.0.6003.20789

274,432

04-Mar-2020

19:45

Repdrvfs.dll

6.0.6003.20789

936,448

04-Mar-2020

20:43

Rescinst.dll

6.0.6003.20789

338,432

04-Mar-2020

20:43

Smiengine.dll

6.0.6003.20789

1,954,816

04-Mar-2020

20:43

Smiinstaller.dll

6.0.6003.20789

288,768

04-Mar-2020

20:43

Smipi.dll

6.0.6003.20789

231,936

04-Mar-2020

20:43

Wbemcomn.dll

6.0.6003.20789

991,744

04-Mar-2020

20:43

Wbemcore.dll

6.0.6003.20789

2,802,176

04-Mar-2020

20:43

Wbemprox.dll

6.0.6003.20789

104,448

04-Mar-2020

20:43

Wcmtypes.xsd

Not applicable

1,047

31-Dec-2019

03:24

Wcp.dll

6.0.6003.20789

4,958,208

04-Mar-2020

20:43

Wdscore.dll

6.0.6003.20789

601,600

04-Mar-2020

20:43

Wmiutils.dll

6.0.6003.20789

265,728

04-Mar-2020

20:43

Wrpint.dll

6.0.6003.20789

120,320

04-Mar-2020

20:43

Xmllite.dll

1.2.1012.0

448,000

04-Mar-2020

20:43

Apds.dll

6.0.6003.20789

1,745,920

04-Mar-2020

20:43

Apircl.dll

6.0.6003.20789

222,720

04-Mar-2020

20:43

Apss.dll

6.0.6003.20789

199,168

04-Mar-2020

20:43

Cbscore.dll

6.0.6003.20789

535,040

04-Mar-2020

20:43

Cbsmsg.dll

6.0.6003.20789

22,016

04-Mar-2020

20:43

Cmiadapter.dll

6.0.6003.20789

119,808

04-Mar-2020

20:43

Cmitrust.dll

6.0.6003.20789

278,016

04-Mar-2020

20:43

Cmiv2.dll

6.0.6003.20789

2,040,320

04-Mar-2020

20:43

Cntrtextinstaller.dll

6.0.6003.20789

243,712

04-Mar-2020

20:43

Dpx.dll

6.0.6003.20789

258,560

04-Mar-2020

20:43

Drupdate.dll

6.0.6003.20789

101,376

04-Mar-2020

20:43

Drvstore.dll

6.0.6003.20789

248,320

04-Mar-2020

20:43

Esscli.dll

6.0.6003.20789

266,240

04-Mar-2020

20:43

Extendedsecurityupdatesai.dll

6.0.6003.20789

82,944

04-Mar-2020

19:39

Fastprox.dll

6.0.6003.20789

616,448

04-Mar-2020

20:43

Globalinstallorder.xml

Not applicable

1,842,876

21-Nov-2017

04:21

Helpcins.dll

6.0.6003.20789

100,864

04-Mar-2020

20:43

Locdrv.dll

6.0.6003.20789

229,376

04-Mar-2020

20:43

Mofd.dll

6.0.6003.20789

189,952

04-Mar-2020

20:43

Mofinstall.dll

6.0.6003.20789

102,400

04-Mar-2020

20:43

Msdelta.dll

6.0.6003.20789

305,664

04-Mar-2020

20:43

Mspatcha.dll

6.0.6003.20789

35,328

04-Mar-2020

20:43

Oemhelpins.dll

6.0.6003.20789

146,944

04-Mar-2020

20:43

Pkgmgr.exe

6.0.6003.20789

130,560

04-Mar-2020

19:39

Poqexec.exe

6.0.6003.20789

119,296

04-Mar-2020

19:39

Repdrvfs.dll

6.0.6003.20789

266,752

04-Mar-2020

20:43

Rescinst.dll

6.0.6003.20789

126,976

04-Mar-2020

20:43

Smiengine.dll

6.0.6003.20789

705,024

04-Mar-2020

20:43

Smiinstaller.dll

6.0.6003.20789

139,264

04-Mar-2020

20:43

Smipi.dll

6.0.6003.20789

117,248

04-Mar-2020

20:43

Wbemcomn.dll

6.0.6003.20789

357,888

04-Mar-2020

20:43

Wbemcore.dll

6.0.6003.20789

746,496

04-Mar-2020

20:43

Wbemprox.dll

6.0.6003.20789

30,208

04-Mar-2020

20:43

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:34

Wcp.dll

6.0.6003.20789

1,838,592

04-Mar-2020

20:43

Wdscore.dll

6.0.6003.20789

219,136

04-Mar-2020

20:43

Wmiutils.dll

6.0.6003.20789

83,968

04-Mar-2020

20:43

Wrpint.dll

6.0.6003.20789

51,712

04-Mar-2020

20:43

Xmllite.dll

1.2.1012.0

183,296

04-Mar-2020

20:43

References

For information on SSUs, see the following articles:

Learn about the terminology that Microsoft uses to describe software updates.

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