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Applies to

  • Windows Server 2008 for 32-bit Systems Service Pack 2

  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)

  • Windows Server 2008 for Itanium-Based Systems Service Pack 2

  • Windows Server 2008 for x64-based Systems Service Pack 2

  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)

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 do not 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 KB4550737.

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-KB4555448-x86.msu

02CB4A47E3CC77F0372E0B9842BE57F76E5EAC8D

50158DF7205340FEED95B789EE4B422C7B5CA02B4A4ECBB77B03A3CC6914112D

Windows6.0-KB4555448-ia64.msu

3E7A4894BA2D000E399EECED8C5E55EF9E0FC3D1

229874FD169687DE48D53F74A231A0F435D82164410D7FB91582DE550F565E72

Windows6.0-KB4555448-x64.msu

F5B9BA7A64280AC2837A27BDEE419EC5B73DC99F

FADE1F2EDD71AAA0539812224310252B6B4F48602D9D9C084E604C2301753BE5

For all supported x86-based versions

File name

File version

File size

Date

Time

Apds.dll

6.0.6003.20826

1,745,920

21-Apr-2020

01:45

Apircl.dll

6.0.6003.20826

222,720

21-Apr-2020

01:45

Apss.dll

6.0.6003.20826

199,168

21-Apr-2020

01:45

Cbscore.dll

6.0.6003.20826

535,040

21-Apr-2020

01:44

Cbsmsg.dll

6.0.6003.20826

22,016

21-Apr-2020

01:44

Cmiadapter.dll

6.0.6003.20826

119,808

21-Apr-2020

01:44

Cmitrust.dll

6.0.6003.20826

278,016

21-Apr-2020

01:44

Cmiv2.dll

6.0.6003.20826

2,040,320

21-Apr-2020

01:44

Cntrtextinstaller.dll

6.0.6003.20826

243,712

21-Apr-2020

01:45

Dpx.dll

6.0.6003.20826

258,560

21-Apr-2020

01:45

Drupdate.dll

6.0.6003.20826

101,376

21-Apr-2020

01:45

Drvstore.dll

6.0.6003.20826

248,320

21-Apr-2020

01:45

Esscli.dll

6.0.6003.20826

266,240

21-Apr-2020

01:45

Extendedsecurityupdatesai.dll

6.0.6003.20826

84,480

21-Apr-2020

00:51

Fastprox.dll

6.0.6003.20826

616,448

21-Apr-2020

01:45

Globalinstallorder.xml

Not applicable

1,844,354

10-Mar-2020

03:22

Helpcins.dll

6.0.6003.20826

100,864

21-Apr-2020

01:45

Locdrv.dll

6.0.6003.20826

229,376

21-Apr-2020

01:45

Mofd.dll

6.0.6003.20826

189,952

21-Apr-2020

01:45

Mofinstall.dll

6.0.6003.20826

102,400

21-Apr-2020

01:45

Msdelta.dll

6.0.6003.20826

305,664

21-Apr-2020

01:45

Mspatcha.dll

6.0.6003.20826

35,328

21-Apr-2020

01:45

Oemhelpins.dll

6.0.6003.20826

146,944

21-Apr-2020

01:45

Pkgmgr.exe

6.0.6003.20826

130,560

21-Apr-2020

00:51

Poqexec.exe

6.0.6003.20826

119,296

21-Apr-2020

00:51

Repdrvfs.dll

6.0.6003.20826

266,752

21-Apr-2020

01:45

Rescinst.dll

6.0.6003.20826

126,976

21-Apr-2020

01:44

Smiengine.dll

6.0.6003.20826

705,024

21-Apr-2020

01:45

Smiinstaller.dll

6.0.6003.20826

139,264

21-Apr-2020

01:45

Smipi.dll

6.0.6003.20826

117,248

21-Apr-2020

01:45

Wbemcomn.dll

6.0.6003.20826

357,888

21-Apr-2020

01:45

Wbemcore.dll

6.0.6003.20826

739,840

21-Apr-2020

01:45

Wbemprox.dll

6.0.6003.20826

30,208

21-Apr-2020

01:45

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:34

Wcp.dll

6.0.6003.20826

1,838,592

21-Apr-2020

01:45

Wdscore.dll

6.0.6003.20826

219,136

21-Apr-2020

01:45

Wmiutils.dll

6.0.6003.20826

83,968

21-Apr-2020

01:45

Wrpint.dll

6.0.6003.20826

51,712

21-Apr-2020

01:45

Xmllite.dll

1.2.1012.0

183,296

21-Apr-2020

01:45

For all supported ia64-based versions

File name

File version

File size

Date

Time

Apds.dll

6.0.6003.20826

3,298,816

21-Apr-2020

01:23

Apircl.dll

6.0.6003.20826

749,056

21-Apr-2020

01:23

Apss.dll

6.0.6003.20826

556,032

21-Apr-2020

01:23

Cbscore.dll

6.0.6003.20826

1,510,912

21-Apr-2020

01:23

Cbsmsg.dll

6.0.6003.20826

33,792

21-Apr-2020

01:23

Cmiadapter.dll

6.0.6003.20826

280,576

21-Apr-2020

01:23

Cmitrust.dll

6.0.6003.20826

922,112

21-Apr-2020

01:23

Cmiv2.dll

6.0.6003.20826

6,515,712

21-Apr-2020

01:23

Cntrtextinstaller.dll

6.0.6003.20826

589,824

21-Apr-2020

01:23

Dpx.dll

6.0.6003.20826

766,976

21-Apr-2020

01:23

Drupdate.dll

6.0.6003.20826

219,136

21-Apr-2020

01:23

Drvstore.dll

6.0.6003.20826

616,960

21-Apr-2020

01:23

Esscli.dll

6.0.6003.20826

1,000,448

21-Apr-2020

01:23

Extendedsecurityupdatesai.dll

6.0.6003.20826

208,384

21-Apr-2020

00:57

Fastprox.dll

6.0.6003.20826

2,097,152

21-Apr-2020

01:23

Globalinstallorder.xml

Not applicable

1,844,354

10-Mar-2020

03:22

Helpcins.dll

6.0.6003.20826

184,832

21-Apr-2020

01:23

Locdrv.dll

6.0.6003.20826

793,600

21-Apr-2020

01:23

Mofd.dll

6.0.6003.20826

637,952

21-Apr-2020

01:23

Mofinstall.dll

6.0.6003.20826

289,280

21-Apr-2020

01:23

Msdelta.dll

6.0.6003.20826

890,368

21-Apr-2020

01:23

Mspatcha.dll

6.0.6003.20826

109,568

21-Apr-2020

01:23

Oemhelpins.dll

6.0.6003.20826

400,896

21-Apr-2020

01:23

Pkgmgr.exe

6.0.6003.20826

324,608

21-Apr-2020

00:57

Poqexec.exe

6.0.6003.20826

274,432

21-Apr-2020

00:57

Repdrvfs.dll

6.0.6003.20826

936,448

21-Apr-2020

01:23

Rescinst.dll

6.0.6003.20826

338,432

21-Apr-2020

01:23

Smiengine.dll

6.0.6003.20826

1,954,816

21-Apr-2020

01:23

Smiinstaller.dll

6.0.6003.20826

288,768

21-Apr-2020

01:23

Smipi.dll

6.0.6003.20826

231,936

21-Apr-2020

01:23

Wbemcomn.dll

6.0.6003.20826

991,744

21-Apr-2020

01:23

Wbemcore.dll

6.0.6003.20826

2,786,304

21-Apr-2020

01:23

Wbemprox.dll

6.0.6003.20826

104,448

21-Apr-2020

01:23

Wcmtypes.xsd

Not applicable

1,047

31-Dec-2019

03:24

Wcp.dll

6.0.6003.20826

4,958,208

21-Apr-2020

01:23

Wdscore.dll

6.0.6003.20826

601,600

21-Apr-2020

01:23

Wmiutils.dll

6.0.6003.20826

265,728

21-Apr-2020

01:23

Wrpint.dll

6.0.6003.20826

120,320

21-Apr-2020

01:23

Xmllite.dll

1.2.1012.0

448,000

21-Apr-2020

01:23

Apds.dll

6.0.6003.20826

1,745,920

21-Apr-2020

01:45

Apircl.dll

6.0.6003.20826

222,720

21-Apr-2020

01:45

Apss.dll

6.0.6003.20826

199,168

21-Apr-2020

01:45

Cbscore.dll

6.0.6003.20826

535,040

21-Apr-2020

01:44

Cbsmsg.dll

6.0.6003.20826

22,016

21-Apr-2020

01:44

Cmiadapter.dll

6.0.6003.20826

119,808

21-Apr-2020

01:44

Cmitrust.dll

6.0.6003.20826

278,016

21-Apr-2020

01:44

Cmiv2.dll

6.0.6003.20826

2,040,320

21-Apr-2020

01:44

Cntrtextinstaller.dll

6.0.6003.20826

243,712

21-Apr-2020

01:45

Dpx.dll

6.0.6003.20826

258,560

21-Apr-2020

01:45

Drupdate.dll

6.0.6003.20826

101,376

21-Apr-2020

01:45

Drvstore.dll

6.0.6003.20826

248,320

21-Apr-2020

01:45

Esscli.dll

6.0.6003.20826

266,240

21-Apr-2020

01:45

Extendedsecurityupdatesai.dll

6.0.6003.20826

84,480

21-Apr-2020

00:51

Fastprox.dll

6.0.6003.20826

616,448

21-Apr-2020

01:45

Globalinstallorder.xml

Not applicable

1,844,354

10-Mar-2020

03:22

Helpcins.dll

6.0.6003.20826

100,864

21-Apr-2020

01:45

Locdrv.dll

6.0.6003.20826

229,376

21-Apr-2020

01:45

Mofd.dll

6.0.6003.20826

189,952

21-Apr-2020

01:45

Mofinstall.dll

6.0.6003.20826

102,400

21-Apr-2020

01:45

Msdelta.dll

6.0.6003.20826

305,664

21-Apr-2020

01:45

Mspatcha.dll

6.0.6003.20826

35,328

21-Apr-2020

01:45

Oemhelpins.dll

6.0.6003.20826

146,944

21-Apr-2020

01:45

Pkgmgr.exe

6.0.6003.20826

130,560

21-Apr-2020

00:51

Poqexec.exe

6.0.6003.20826

119,296

21-Apr-2020

00:51

Repdrvfs.dll

6.0.6003.20826

266,752

21-Apr-2020

01:45

Rescinst.dll

6.0.6003.20826

126,976

21-Apr-2020

01:44

Smiengine.dll

6.0.6003.20826

705,024

21-Apr-2020

01:45

Smiinstaller.dll

6.0.6003.20826

139,264

21-Apr-2020

01:45

Smipi.dll

6.0.6003.20826

117,248

21-Apr-2020

01:45

Wbemcomn.dll

6.0.6003.20826

357,888

21-Apr-2020

01:45

Wbemcore.dll

6.0.6003.20826

739,840

21-Apr-2020

01:45

Wbemprox.dll

6.0.6003.20826

30,208

21-Apr-2020

01:45

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:34

Wcp.dll

6.0.6003.20826

1,838,592

21-Apr-2020

01:45

Wdscore.dll

6.0.6003.20826

219,136

21-Apr-2020

01:45

Wmiutils.dll

6.0.6003.20826

83,968

21-Apr-2020

01:45

Wrpint.dll

6.0.6003.20826

51,712

21-Apr-2020

01:45

Xmllite.dll

1.2.1012.0

183,296

21-Apr-2020

01:45

For all supported x64-based versions

File name

File version

File size

Date

Time

Apds.dll

6.0.6003.20826

2,127,872

21-Apr-2020

01:32

Apircl.dll

6.0.6003.20826

273,920

21-Apr-2020

01:32

Apss.dll

6.0.6003.20826

231,936

21-Apr-2020

01:32

Cbscore.dll

6.0.6003.20826

643,072

21-Apr-2020

01:32

Cbsmsg.dll

6.0.6003.20826

22,016

21-Apr-2020

01:32

Cmiadapter.dll

6.0.6003.20826

125,440

21-Apr-2020

01:32

Cmitrust.dll

6.0.6003.20826

460,800

21-Apr-2020

01:32

Cmiv2.dll

6.0.6003.20826

3,827,200

21-Apr-2020

01:32

Cntrtextinstaller.dll

6.0.6003.20826

271,872

21-Apr-2020

01:32

Dpx.dll

6.0.6003.20826

404,480

21-Apr-2020

01:32

Drupdate.dll

6.0.6003.20826

119,296

21-Apr-2020

01:32

Drvstore.dll

6.0.6003.20826

316,416

21-Apr-2020

01:32

Esscli.dll

6.0.6003.20826

428,544

21-Apr-2020

01:32

Extendedsecurityupdatesai.dll

6.0.6003.20826

97,280

21-Apr-2020

01:03

Fastprox.dll

6.0.6003.20826

892,416

21-Apr-2020

01:32

Globalinstallorder.xml

Not applicable

1,844,354

10-Mar-2020

03:22

Helpcins.dll

6.0.6003.20826

136,704

21-Apr-2020

01:32

Locdrv.dll

6.0.6003.20826

378,880

21-Apr-2020

01:32

Mofd.dll

6.0.6003.20826

272,896

21-Apr-2020

01:32

Mofinstall.dll

6.0.6003.20826

117,760

21-Apr-2020

01:32

Msdelta.dll

6.0.6003.20826

460,288

21-Apr-2020

01:32

Mspatcha.dll

6.0.6003.20826

46,592

21-Apr-2020

01:32

Oemhelpins.dll

6.0.6003.20826

208,384

21-Apr-2020

01:32

Pkgmgr.exe

6.0.6003.20826

138,752

21-Apr-2020

01:03

Poqexec.exe

6.0.6003.20826

137,728

21-Apr-2020

01:03

Repdrvfs.dll

6.0.6003.20826

381,952

21-Apr-2020

01:32

Rescinst.dll

6.0.6003.20826

148,480

21-Apr-2020

01:32

Smiengine.dll

6.0.6003.20826

936,448

21-Apr-2020

01:32

Smiinstaller.dll

6.0.6003.20826

145,408

21-Apr-2020

01:32

Smipi.dll

6.0.6003.20826

122,880

21-Apr-2020

01:32

Wbemcomn.dll

6.0.6003.20826

528,384

21-Apr-2020

01:32

Wbemcore.dll

6.0.6003.20826

1,170,944

21-Apr-2020

01:32

Wbemprox.dll

6.0.6003.20826

43,520

21-Apr-2020

01:32

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:33

Wcp.dll

6.0.6003.20826

2,634,240

21-Apr-2020

01:32

Wdscore.dll

6.0.6003.20826

294,912

21-Apr-2020

01:32

Wmiutils.dll

6.0.6003.20826

131,584

21-Apr-2020

01:32

Wrpint.dll

6.0.6003.20826

57,856

21-Apr-2020

01:32

Xmllite.dll

1.2.1012.0

180,736

21-Apr-2020

01:32

Apds.dll

6.0.6003.20826

1,745,920

21-Apr-2020

01:45

Apircl.dll

6.0.6003.20826

222,720

21-Apr-2020

01:45

Apss.dll

6.0.6003.20826

199,168

21-Apr-2020

01:45

Cbscore.dll

6.0.6003.20826

535,040

21-Apr-2020

01:44

Cbsmsg.dll

6.0.6003.20826

22,016

21-Apr-2020

01:44

Cmiadapter.dll

6.0.6003.20826

119,808

21-Apr-2020

01:44

Cmitrust.dll

6.0.6003.20826

278,016

21-Apr-2020

01:44

Cmiv2.dll

6.0.6003.20826

2,040,320

21-Apr-2020

01:44

Cntrtextinstaller.dll

6.0.6003.20826

243,712

21-Apr-2020

01:45

Dpx.dll

6.0.6003.20826

258,560

21-Apr-2020

01:45

Drupdate.dll

6.0.6003.20826

101,376

21-Apr-2020

01:45

Drvstore.dll

6.0.6003.20826

248,320

21-Apr-2020

01:45

Esscli.dll

6.0.6003.20826

266,240

21-Apr-2020

01:45

Extendedsecurityupdatesai.dll

6.0.6003.20826

84,480

21-Apr-2020

00:51

Fastprox.dll

6.0.6003.20826

616,448

21-Apr-2020

01:45

Globalinstallorder.xml

Not applicable

1,844,354

10-Mar-2020

03:22

Helpcins.dll

6.0.6003.20826

100,864

21-Apr-2020

01:45

Locdrv.dll

6.0.6003.20826

229,376

21-Apr-2020

01:45

Mofd.dll

6.0.6003.20826

189,952

21-Apr-2020

01:45

Mofinstall.dll

6.0.6003.20826

102,400

21-Apr-2020

01:45

Msdelta.dll

6.0.6003.20826

305,664

21-Apr-2020

01:45

Mspatcha.dll

6.0.6003.20826

35,328

21-Apr-2020

01:45

Oemhelpins.dll

6.0.6003.20826

146,944

21-Apr-2020

01:45

Pkgmgr.exe

6.0.6003.20826

130,560

21-Apr-2020

00:51

Poqexec.exe

6.0.6003.20826

119,296

21-Apr-2020

00:51

Repdrvfs.dll

6.0.6003.20826

266,752

21-Apr-2020

01:45

Rescinst.dll

6.0.6003.20826

126,976

21-Apr-2020

01:44

Smiengine.dll

6.0.6003.20826

705,024

21-Apr-2020

01:45

Smiinstaller.dll

6.0.6003.20826

139,264

21-Apr-2020

01:45

Smipi.dll

6.0.6003.20826

117,248

21-Apr-2020

01:45

Wbemcomn.dll

6.0.6003.20826

357,888

21-Apr-2020

01:45

Wbemcore.dll

6.0.6003.20826

739,840

21-Apr-2020

01:45

Wbemprox.dll

6.0.6003.20826

30,208

21-Apr-2020

01:45

Wcmtypes.xsd

Not applicable

1,047

21-Nov-2017

04:34

Wcp.dll

6.0.6003.20826

1,838,592

21-Apr-2020

01:45

Wdscore.dll

6.0.6003.20826

219,136

21-Apr-2020

01:45

Wmiutils.dll

6.0.6003.20826

83,968

21-Apr-2020

01:45

Wrpint.dll

6.0.6003.20826

51,712

21-Apr-2020

01:45

Xmllite.dll

1.2.1012.0

183,296

21-Apr-2020

01:45

References

For information on SSUs, see the following articles:

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

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