Summary

This update makes improvements to the "safe operating system" (Safe OS) that is used to update the Windows recovery environment (WinRE) for Windows 11.

How to get this update

Install this update

Release Channel

Available

Next Step

Microsoft Update Catalog

Yes

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS)

Yes

You can import this update into WSUS manually. For more information, see the Frequently Asked Questions topic on the Microsoft Update Catalog website for instructions.

Prerequisites 

There are no prerequisites to apply this update. 

Restart information 

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

Update replacement information 

This update does not replace any previously released update.

File information

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

File name

File version

Date

Time

File size

tpm.inf

Not versioned

18-Oct-2021

19:08

11,790

tpm.sys

10.0.22000.341

18-Oct-2021

21:03

344,376

Facilitator.dll

10.0.22000.132

5-Aug-2021

18:20

1,081,656

winload.exe

10.0.22000.132

5-Aug-2021

18:11

1,630,616

winload.efi

10.0.22000.132

5-Aug-2021

18:11

2,310,384

winresume.exe

10.0.22000.132

5-Aug-2021

18:18

1,242,192

winresume.efi

10.0.22000.132

5-Aug-2021

18:18

1,856,848

ci.dll

10.0.22000.132

5-Aug-2021

18:12

946,592

driver.stl

Not versioned

13-Jul-2021

16:58

4,953

cmi2migxml.dll

10.0.22000.51

18-Jun-2021

6:47

229,712

csiagent.dll

10.0.22000.51

18-Jun-2021

6:47

717,112

diagER.dll

10.0.22000.51

18-Jun-2021

6:47

78,136

hwcompat.dll

10.0.22000.51

18-Jun-2021

6:47

250,160

hwcompat.txt

Not versioned

18-Jun-2021

6:52

787,749

hwexclude.txt

Not versioned

18-Jun-2021

6:52

51

icbexclusion.inf

Not versioned

18-Jun-2021

4:55

7,222

migapp.xml

Not versioned

27-Mar-2021

17:47

654,548

migcore.dll

10.0.22000.51

18-Jun-2021

6:46

9,707,832

mighost.exe

10.0.22000.51

18-Jun-2021

6:47

278,840

migres.dll

10.0.22000.51

18-Jun-2021

6:46

24,904

migisol.dll

10.0.22000.51

18-Jun-2021

6:47

147,768

migstore.dll

10.0.22000.51

18-Jun-2021

6:46

1,319,224

migsys.dll

10.0.22000.51

18-Jun-2021

6:46

454,984

MXEAgent.dll

10.0.22000.51

18-Jun-2021

6:48

373,064

offline.xml

Not versioned

18-Jun-2021

4:55

41,548

oscomps.xml

Not versioned

18-Jun-2021

4:55

447,950

oscomps.woa.xml

Not versioned

18-Jun-2021

4:55

249,101

osfilter.inf

Not versioned

18-Jun-2021

4:55

21,299

pnppropmig.dll

10.0.22000.51

18-Jun-2021

6:47

102,736

reagent.dll

10.0.22000.51

18-Jun-2021

6:47

598,352

ReserveManager.dll

10.0.22000.51

18-Jun-2021

0:35

315,728

setupplatform.cfg

Not versioned

8-Jun-2021

17:29

6,388

setupplatform.dll

1.66.22000.51

18-Jun-2021

6:46

9,589,040

setupplatform.exe

1.66.22000.51

18-Jun-2021

6:47

241,976

SFCN.dat

Not versioned

27-Mar-2021

17:46

1,824

SFLCID.dat

Not versioned

27-Mar-2021

17:46

1,644

SFLISTW7.dat

Not versioned

8-May-2021

17:27

1,703,368

SFLISTW8.dat

Not versioned

8-May-2021

17:27

2,608,858

SFLISTWB.dat

Not versioned

8-May-2021

17:27

3,172,904

SFLISTWT.dat

Not versioned

8-Jun-2021

17:30

4,935,438

sflistw8.woa.dat

Not versioned

8-May-2021

17:27

954,436

SFLISTRS1.dat

Not versioned

8-Jun-2021

17:30

5,593,264

sflistwb.woa.dat

Not versioned

8-May-2021

17:27

1,150,134

sflistwt.woa.dat

Not versioned

8-May-2021

17:27

2,636,850

SFPAT.inf

Not versioned

18-Jun-2021

4:55

11,602

SFPATW7.inf

Not versioned

18-Jun-2021

4:55

17,396

SFPATW8.inf

Not versioned

18-Jun-2021

4:55

79,818

SFPATWB.inf

Not versioned

18-Jun-2021

4:55

91,635

SFPATWT.inf

Not versioned

18-Jun-2021

4:55

165,729

SFPATRS1.inf

Not versioned

18-Jun-2021

4:55

169,870

unbcl.dll

10.0.22000.51

18-Jun-2021

6:47

1,204,528

upgradeagent.dll

10.0.22000.51

18-Jun-2021

6:47

3,285,304

upgradeagent.xml

Not versioned

18-Jun-2021

4:55

70,907

upgrade_comp.xml

Not versioned

18-Jun-2021

4:55

6,054

upgrade_bulk.xml

Not versioned

18-Jun-2021

4:55

209,520

upgrade_data.xml

Not versioned

18-Jun-2021

4:55

41,750

upgrade_frmwrk.xml

Not versioned

18-Jun-2021

4:55

18,785

upgWow_bulk.xml

Not versioned

18-Jun-2021

4:55

115,041

uninstall.xml

Not versioned

18-Jun-2021

4:55

4,407

uninstall_data.xml

Not versioned

18-Jun-2021

4:55

11,122

wdsutil.dll

10.0.22000.51

18-Jun-2021

6:47

356,664

ClipSp.sys

10.0.22000.132

5-Aug-2021

18:12

1,126,736

ntdll.dll

10.0.22000.132

5-Aug-2021

18:13

2,124,216

ntoskrnl.exe

10.0.22000.132

5-Aug-2021

18:13

11,747,656

winpeshl.exe

10.0.22000.51

18-Jun-2021

0:07

57,344

wpeutil.dll

10.0.22000.51

18-Jun-2021

0:06

163,840

wpeutil.exe

10.0.22000.51

18-Jun-2021

0:09

32,768

wpeinit.exe

10.0.22000.51

18-Jun-2021

0:09

57,344

startnet.cmd

Not versioned

27-Mar-2021

17:51

9

ntdll.dll

10.0.22000.132

5-Aug-2021

17:26

1,720,528

File name

File version

Date

Time

File size

ntdll.dll

10.0.22000.132

5-Aug-2021

17:36

1,615,968

ntdll.dll

10.0.22000.132

5-Aug-2021

17:26

1,720,528

tpm.inf

Not versioned

18-Oct-2021

19:08

11,604

tpm.sys

10.0.22000.341

18-Oct-2021

21:55

311,112

Facilitator.dll

10.0.22000.132

5-Aug-2021

19:19

1,098,056

winload.efi

10.0.22000.132

5-Aug-2021

19:10

2,039,680

winresume.efi

10.0.22000.132

5-Aug-2021

19:18

1,560,320

ci.dll

10.0.22000.132

5-Aug-2021

19:11

811,552

driver.stl

Not versioned

13-Jul-2021

16:58

4,725

cmi2migxml.dll

10.0.22000.51

18-Jun-2021

9:59

219,960

csiagent.dll

10.0.22000.51

18-Jun-2021

9:59

706,872

diagER.dll

10.0.22000.51

18-Jun-2021

9:59

55,632

hwcompat.dll

10.0.22000.51

18-Jun-2021

9:59

237,392

hwcompat.txt

Not versioned

18-Jun-2021

10:03

206,560

hwexclude.txt

Not versioned

18-Jun-2021

10:03

51

icbexclusion.inf

Not versioned

18-Jun-2021

8:08

7,222

migapp.xml

Not versioned

22-Feb-2021

19:21

654,548

migcore.dll

10.0.22000.51

18-Jun-2021

9:59

9,968,464

mighost.exe

10.0.22000.51

18-Jun-2021

9:59

264,504

migres.dll

10.0.22000.51

18-Jun-2021

9:58

16,176

migisol.dll

10.0.22000.51

18-Jun-2021

9:59

118,584

migstore.dll

10.0.22000.51

18-Jun-2021

9:59

1,338,160

migsys.dll

10.0.22000.51

18-Jun-2021

9:59

448,816

MXEAgent.dll

10.0.22000.51

18-Jun-2021

9:59

360,784

offline.xml

Not versioned

18-Jun-2021

8:07

41,548

oscomps.xml

Not versioned

18-Jun-2021

8:07

447,950

oscomps.woa.xml

Not versioned

18-Jun-2021

8:07

249,101

osfilter.inf

Not versioned

18-Jun-2021

8:08

21,299

pnppropmig.dll

10.0.22000.51

18-Jun-2021

9:59

89,400

reagent.dll

10.0.22000.51

18-Jun-2021

10:00

968,000

ReserveManager.dll

10.0.22000.51

18-Jun-2021

3:35

311,096

setupplatform.cfg

Not versioned

25-May-2021

18:30

6,388

setupplatform.dll

1.66.22000.51

18-Jun-2021

9:59

9,972,528

setupplatform.exe

1.66.22000.51

18-Jun-2021

9:59

234,296

SFCN.dat

Not versioned

22-Feb-2021

19:21

1,824

SFLCID.dat

Not versioned

22-Feb-2021

19:21

1,644

SFLISTW7.dat

Not versioned

8-May-2021

18:34

1,703,368

SFLISTW8.dat

Not versioned

8-May-2021

18:34

2,608,858

SFLISTWB.dat

Not versioned

8-May-2021

18:34

3,172,904

SFLISTWT.dat

Not versioned

8-May-2021

18:34

4,935,438

sflistw8.woa.dat

Not versioned

8-May-2021

18:34

954,436

SFLISTRS1.dat

Not versioned

25-May-2021

18:30

5,593,264

sflistwb.woa.dat

Not versioned

8-May-2021

18:34

1,150,134

sflistwt.woa.dat

Not versioned

8-May-2021

18:34

2,636,850

SFPAT.inf

Not versioned

18-Jun-2021

8:08

11,602

SFPATW7.inf

Not versioned

18-Jun-2021

8:08

17,396

SFPATW8.inf

Not versioned

18-Jun-2021

8:08

79,818

SFPATWB.inf

Not versioned

18-Jun-2021

8:08

91,635

SFPATWT.inf

Not versioned

18-Jun-2021

8:08

165,729

SFPATRS1.inf

Not versioned

18-Jun-2021

8:08

169,870

unbcl.dll

10.0.22000.51

18-Jun-2021

9:59

1,191,728

upgradeagent.dll

10.0.22000.51

18-Jun-2021

9:59

3,383,600

upgradeagent.xml

Not versioned

18-Jun-2021

8:07

70,907

upgrade_comp.xml

Not versioned

18-Jun-2021

8:07

6,054

upgrade_bulk.xml

Not versioned

18-Jun-2021

8:07

209,520

upgrade_data.xml

Not versioned

18-Jun-2021

8:07

41,750

upgrade_frmwrk.xml

Not versioned

18-Jun-2021

8:07

18,785

upgWow_bulk.xml

Not versioned

18-Jun-2021

8:07

115,041

upgWowA32_bulk.xml

Not versioned

18-Jun-2021

8:07

115,031

uninstall.xml

Not versioned

18-Jun-2021

8:07

4,407

uninstall_data.xml

Not versioned

18-Jun-2021

8:07

11,122

wdsutil.dll

10.0.22000.51

18-Jun-2021

9:59

349,496

ClipSp.sys

10.0.22000.132

5-Aug-2021

19:11

969,552

ntdll.dll

10.0.22000.132

5-Aug-2021

19:11

4,108,384

ntoskrnl.exe

10.0.22000.132

5-Aug-2021

19:11

11,003,720

winpeshl.exe

10.0.22000.51

18-Jun-2021

2:21

36,352

wpeutil.dll

10.0.22000.51

18-Jun-2021

2:20

143,360

wpeutil.exe

10.0.22000.51

18-Jun-2021

2:23

11,776

wpeinit.exe

10.0.22000.51

18-Jun-2021

2:22

36,864

startnet.cmd

Not versioned

22-Feb-2021

19:25

9

References

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

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