Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

Summary

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

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 replaces the previously released update KB5012414.

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-21

19:08

11,790

tpm.sys

10.0.22000.341

18-Oct-21

21:03

344,376

Facilitator.dll

10.0.22000.132

5-Aug-21

18:20

1,081,656

winload.exe

10.0.22000.132

5-Aug-21

18:11

1,630,616

winload.efi

10.0.22000.132

5-Aug-21

18:11

2,310,384

winresume.exe

10.0.22000.132

5-Aug-21

18:18

1,242,192

winresume.efi

10.0.22000.132

5-Aug-21

18:18

1,856,848

ci.dll

10.0.22000.132

5-Aug-21

18:12

946,592

driver.stl

Not versioned

13-Jul-21

16:58

4,953

cmi2migxml.dll

10.0.22000.587

27-Feb-22

8:51

230,736

csiagent.dll

10.0.22000.587

27-Feb-22

8:51

718,184

diagER.dll

10.0.22000.587

27-Feb-22

8:51

79,216

hwcompat.dll

10.0.22000.587

27-Feb-22

8:52

251,216

hwcompat.txt

Not versioned

27-Feb-22

8:57

787,806

hwexclude.txt

Not versioned

27-Feb-22

8:57

51

icbexclusion.inf

Not versioned

27-Feb-22

7:00

7,222

migapp.xml

Not versioned

17-Aug-21

17:54

654,548

migcore.dll

10.0.22000.587

27-Feb-22

8:51

9,708,904

mighost.exe

10.0.22000.587

27-Feb-22

8:51

279,920

migres.dll

10.0.22000.587

27-Feb-22

8:51

25,968

migisol.dll

10.0.22000.587

27-Feb-22

8:51

148,840

migstore.dll

10.0.22000.587

27-Feb-22

8:51

1,320,304

migsys.dll

10.0.22000.587

27-Feb-22

8:51

456,040

MXEAgent.dll

10.0.22000.587

27-Feb-22

8:51

374,120

offline.xml

Not versioned

27-Feb-22

7:00

41,548

oscomps.xml

Not versioned

27-Feb-22

7:00

447,950

oscomps.woa.xml

Not versioned

27-Feb-22

7:00

249,101

osfilter.inf

Not versioned

27-Feb-22

7:00

21,299

pnppropmig.dll

10.0.22000.587

27-Feb-22

8:51

103,792

reagent.dll

10.0.22000.587

27-Feb-22

8:51

599,400

ReserveManager.dll

10.0.22000.587

27-Feb-22

2:35

316,752

setupplatform.cfg

Not versioned

7-Feb-22

18:12

6,389

setupplatform.dll

1.66.22000.587

27-Feb-22

8:51

9,594,224

setupplatform.exe

1.66.22000.587

27-Feb-22

8:51

243,056

SFCN.dat

Not versioned

17-Aug-21

17:54

1,824

SFLCID.dat

Not versioned

17-Aug-21

17:54

1,644

SFLISTW7.dat

Not versioned

2-Sep-21

12:02

1,703,368

SFLISTW8.dat

Not versioned

2-Sep-21

12:02

2,608,858

SFLISTWB.dat

Not versioned

2-Sep-21

12:02

3,172,904

SFLISTWT.dat

Not versioned

16-Sep-21

18:14

4,935,438

sflistw8.woa.dat

Not versioned

2-Sep-21

12:02

954,436

SFLISTRS1.dat

Not versioned

16-Sep-21

18:14

5,593,264

sflistwb.woa.dat

Not versioned

2-Sep-21

12:02

1,150,134

sflistwt.woa.dat

Not versioned

2-Sep-21

12:02

2,636,850

SFPAT.inf

Not versioned

27-Feb-22

7:00

11,602

SFPATW7.inf

Not versioned

27-Feb-22

7:00

17,396

SFPATW8.inf

Not versioned

27-Feb-22

7:00

79,818

SFPATWB.inf

Not versioned

27-Feb-22

7:00

91,635

SFPATWT.inf

Not versioned

27-Feb-22

7:00

165,729

SFPATRS1.inf

Not versioned

27-Feb-22

7:00

169,870

unbcl.dll

10.0.22000.587

27-Feb-22

8:51

1,205,608

upgradeagent.dll

10.0.22000.587

27-Feb-22

8:51

3,286,384

upgradeagent.xml

Not versioned

27-Feb-22

7:00

70,907

upgrade_comp.xml

Not versioned

27-Feb-22

7:00

6,054

upgrade_bulk.xml

Not versioned

27-Feb-22

7:00

209,520

upgrade_data.xml

Not versioned

27-Feb-22

7:00

41,750

upgrade_frmwrk.xml

Not versioned

27-Feb-22

7:00

18,785

upgWow_bulk.xml

Not versioned

27-Feb-22

7:00

115,041

uninstall.xml

Not versioned

27-Feb-22

7:00

4,407

uninstall_data.xml

Not versioned

27-Feb-22

7:00

11,122

wdsutil.dll

10.0.22000.587

27-Feb-22

8:51

357,744

ClipSp.sys

10.0.22000.132

5-Aug-21

18:12

1,126,736

ntdll.dll

10.0.22000.132

5-Aug-21

18:13

2,124,216

ntoskrnl.exe

10.0.22000.132

5-Aug-21

18:13

########

ResetEngine.dll

10.0.22000.554

27-Feb-22

12:11

2,319,728

ResetEngine.exe

10.0.22000.554

27-Feb-22

12:18

38,224

ResetPluginHost.exe

10.0.22000.554

27-Feb-22

11:56

53,248

reseteng.dll

10.0.22000.554

27-Feb-22

11:50

679,936

resetengmig.dll

10.0.22000.554

27-Feb-22

11:55

106,496

srms.dat

Not versioned

25-Jan-22

0:29

60,267

srms62.dat

Not versioned

13-Jan-22

0:16

22,841

sysreset.exe

10.0.22000.554

27-Feb-22

11:52

421,888

systemreset.exe

10.0.22000.554

27-Feb-22

12:18

550,976

ResetEngOnline.dll

10.0.22000.554

27-Feb-22

11:54

229,376

SysResetErr.exe

10.0.22000.554

27-Feb-22

15:58

71,024

winpeshl.exe

10.0.22000.51

18-Jun-21

0:07

57,344

wpeutil.dll

10.0.22000.51

18-Jun-21

0:06

163,840

wpeutil.exe

10.0.22000.51

18-Jun-21

0:09

32,768

wpeinit.exe

10.0.22000.51

18-Jun-21

0:09

57,344

startnet.cmd

Not versioned

27-Mar-21

17:51

9

StartRep.exe

10.0.22000.587

27-Feb-22

8:32

659,456

RecEnv.exe

10.0.22000.587

27-Feb-22

9:01

410,992

BootRec.exe

10.0.22000.587

27-Feb-22

8:35

192,512

ntdll.dll

10.0.22000.132

5-Aug-21

17:26

1,720,528

File name

File version

Date

Time

File size

ntdll.dll

10.0.22000.132

5-Aug-21

17:36

1,615,968

ntdll.dll

10.0.22000.132

5-Aug-21

17:26

1,720,528

tpm.inf

Not versioned

18-Oct-21

19:08

11,604

tpm.sys

10.0.22000.341

18-Oct-21

21:55

311,112

Facilitator.dll

10.0.22000.132

5-Aug-21

19:19

1,098,056

winload.efi

10.0.22000.132

5-Aug-21

19:10

2,039,680

winresume.efi

10.0.22000.132

5-Aug-21

19:18

1,560,320

ci.dll

10.0.22000.132

5-Aug-21

19:11

811,552

driver.stl

Not versioned

13-Jul-21

16:58

4,725

cmi2migxml.dll

10.0.22000.587

27-Feb-22

10:26

219,968

csiagent.dll

10.0.22000.587

27-Feb-22

10:26

706,880

diagER.dll

10.0.22000.587

27-Feb-22

10:26

56,680

hwcompat.dll

10.0.22000.587

27-Feb-22

10:26

237,384

hwcompat.txt

Not versioned

27-Feb-22

10:32

206,575

hwexclude.txt

Not versioned

27-Feb-22

10:32

51

icbexclusion.inf

Not versioned

27-Feb-22

8:31

7,222

migapp.xml

Not versioned

11-Jan-22

10:47

654,548

migcore.dll

10.0.22000.587

27-Feb-22

10:29

9,967,944

mighost.exe

10.0.22000.587

27-Feb-22

10:26

265,584

migres.dll

10.0.22000.587

27-Feb-22

10:25

17,256

migisol.dll

10.0.22000.587

27-Feb-22

10:26

119,664

migstore.dll

10.0.22000.587

27-Feb-22

10:26

1,339,248

migsys.dll

10.0.22000.587

27-Feb-22

10:26

449,904

MXEAgent.dll

10.0.22000.587

27-Feb-22

10:26

361,832

offline.xml

Not versioned

27-Feb-22

8:30

41,548

oscomps.xml

Not versioned

27-Feb-22

8:30

447,950

oscomps.woa.xml

Not versioned

27-Feb-22

8:30

249,101

osfilter.inf

Not versioned

27-Feb-22

8:31

21,299

pnppropmig.dll

10.0.22000.587

27-Feb-22

10:26

90,472

reagent.dll

10.0.22000.587

27-Feb-22

10:26

969,072

ReserveManager.dll

10.0.22000.587

27-Feb-22

3:52

312,168

setupplatform.cfg

Not versioned

7-Feb-22

20:56

6,389

setupplatform.dll

1.66.22000.587

27-Feb-22

10:26

9,977,712

setupplatform.exe

1.66.22000.587

27-Feb-22

10:26

233,800

SFCN.dat

Not versioned

11-Jan-22

10:46

1,824

SFLCID.dat

Not versioned

11-Jan-22

10:46

1,644

SFLISTW7.dat

Not versioned

25-Jan-22

2:12

1,703,368

SFLISTW8.dat

Not versioned

25-Jan-22

2:12

2,608,858

SFLISTWB.dat

Not versioned

25-Jan-22

2:12

3,172,904

SFLISTWT.dat

Not versioned

25-Jan-22

2:12

4,935,438

sflistw8.woa.dat

Not versioned

25-Jan-22

2:12

954,436

SFLISTRS1.dat

Not versioned

7-Feb-22

20:56

5,593,264

sflistwb.woa.dat

Not versioned

25-Jan-22

2:12

1,150,134

sflistwt.woa.dat

Not versioned

25-Jan-22

2:12

2,636,850

SFPAT.inf

Not versioned

27-Feb-22

8:31

11,602

SFPATW7.inf

Not versioned

27-Feb-22

8:31

17,396

SFPATW8.inf

Not versioned

27-Feb-22

8:31

79,818

SFPATWB.inf

Not versioned

27-Feb-22

8:31

91,635

SFPATWT.inf

Not versioned

27-Feb-22

8:31

165,729

SFPATRS1.inf

Not versioned

27-Feb-22

8:31

169,870

unbcl.dll

10.0.22000.587

27-Feb-22

10:30

1,191,752

upgradeagent.dll

10.0.22000.587

27-Feb-22

10:26

3,384,688

upgradeagent.xml

Not versioned

27-Feb-22

8:30

70,907

upgrade_comp.xml

Not versioned

27-Feb-22

8:30

6,054

upgrade_bulk.xml

Not versioned

27-Feb-22

8:30

209,520

upgrade_data.xml

Not versioned

27-Feb-22

8:30

41,750

upgrade_frmwrk.xml

Not versioned

27-Feb-22

8:30

18,785

upgWow_bulk.xml

Not versioned

27-Feb-22

8:30

115,041

upgWowA32_bulk.xml

Not versioned

27-Feb-22

8:30

115,031

uninstall.xml

Not versioned

27-Feb-22

8:30

4,407

uninstall_data.xml

Not versioned

27-Feb-22

8:30

11,122

wdsutil.dll

10.0.22000.587

27-Feb-22

10:26

350,568

ClipSp.sys

10.0.22000.132

5-Aug-21

19:11

969,552

ntdll.dll

10.0.22000.132

5-Aug-21

19:11

4,108,384

ntoskrnl.exe

10.0.22000.132

5-Aug-21

19:11

########

ResetEngine.dll

10.0.22000.554

27-Feb-22

15:10

2,448,240

ResetEngine.exe

10.0.22000.554

27-Feb-22

18:31

22,360

ResetPluginHost.exe

10.0.22000.554

27-Feb-22

14:54

37,376

reseteng.dll

10.0.22000.554

27-Feb-22

14:49

668,160

resetengmig.dll

10.0.22000.554

27-Feb-22

14:54

97,792

srms.dat

Not versioned

17-Nov-21

19:41

60,267

srms62.dat

Not versioned

22-Sep-21

17:15

22,841

sysreset.exe

10.0.22000.554

27-Feb-22

14:52

403,456

systemreset.exe

10.0.22000.554

27-Feb-22

15:19

549,008

ResetEngOnline.dll

10.0.22000.554

27-Feb-22

14:52

221,696

SysResetErr.exe

10.0.22000.554

27-Feb-22

18:31

58,696

winpeshl.exe

10.0.22000.51

18-Jun-21

2:21

36,352

wpeutil.dll

10.0.22000.51

18-Jun-21

2:20

143,360

wpeutil.exe

10.0.22000.51

18-Jun-21

2:23

11,776

wpeinit.exe

10.0.22000.51

18-Jun-21

2:22

36,864

startnet.cmd

Not versioned

22-Feb-21

19:25

9

StartRep.exe

10.0.22000.587

27-Feb-22

10:04

636,928

RecEnv.exe

10.0.22000.587

27-Feb-22

10:43

393,584

BootRec.exe

10.0.22000.587

27-Feb-22

10:04

169,472

References

The benefits of Windows 10 Dynamic Update

Updating Windows 10 media with Dynamic Update packages

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

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×