Applies To
Windows Server, version 23H2

Summary

This update makes improvements to the Windows recovery environment (WinRE) in Windows Server, version 23H2.

How to get this update

Install this update

To install this update, use one of the following release channels.

Available

Next step

Available

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

Prerequisites

There are no prerequisites to apply this update.

Restart information

You do not have to restart your device after you apply this update.

Removal information

This update cannot be removed once it is applied to a Windows image.

Update replacement information

This update replaces the previously released update KB5055767.

Verify the installation of this update

After installing this update, the WinRE version installed on the device should be 10.0.25398.1606.

To get the version of WinRE installed, run the following PowerShell script "GetWinReVersion.ps1" with Administrator credentials. After you run the script, you should receive the installed WinRE version as in the following example:

GetWinReVersion.ps1 PowerShell script

################################################################################################

#

# Copyright (c) Microsoft Corporation.

# Licensed under the MIT License.

#

# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

# SOFTWARE.

#

################################################################################################
# Function to get WinRE path

function GetWinREPath {

    $WinRELocation = (reagentc /info | Select-String "Windows RE location")

    if ($WinRELocation) {

        return $WinRELocation.ToString().Split(':')[-1].Trim()

    } else {

        Write-Host "Failed to find WinRE path" -ForegroundColor Red

        exit 1

    }

}

 
# Creates and needs to be return the mount directory
function GetMountDir {
    # systemdirve\mnt
    $MountDir = "$env:SystemDrive\mnt"
    if (-not (Test-Path $MountDir)) {
        New-Item -ItemType Directory -Path $MountDir -Force | Out-Null
    }
    return $MountDir
}  

# Function to get WinRE version
function GetWinREVersion {

    $mountedPath = GetMountDir
    $filePath = "$mountedPath\Windows\System32\winpeshl.exe"

    $WinREVersion = (Get-Item $filePath).VersionInfo.FileVersionRaw.Revision

    return [int]$WinREVersion

}


# Main Execution

$WinREPath = GetWinREPath


# Make dir C:\mnt if not exists

$TempDir = GetMountDir


# Get the read write permission for this directory

if (-not (Test-Path $TempDir)) {

    New-Item -ItemType Directory -Path $TempDir -Force | Out-Null

}


# Mount WinRE image

dism /Mount-Image /ImageFile:"$WinREPath\winre.wim" /Index:1 /MountDir:"$TempDir"


$WinREVersion = GetWinREVersion

Write-Host "WinRE Version: $WinREVersion" -ForegroundColor Cyan

dism /Unmount-Image /MountDir:"$TempDir" /Discard

Remove-Item -Path $TempDir -Force -Recurse

File information

The English (United States) version of this software update installs files that have the following attributes. This update might contain files for additional languages.

File name

File version

Date

Time

File size

skci.dll

10.0.25398.1606

29-Apr-25

4:32

336,176

bootmgfw.efi

10.0.25398.1606

29-Apr-25

4:32

2,649,504

bootmgfw_EX.efi

10.0.26100.30169

29-Apr-25

4:32

2,774,808

SecureBootRecovery.efi

Not versioned

29-Apr-25

4:32

162,192

bootmgr.efi

10.0.25398.1606

29-Apr-25

4:32

2,632,624

bootmgr_EX.efi

10.0.26100.30169

29-Apr-25

4:32

2,758,048

boot.stl

Not versioned

29-Apr-25

4:32

11,030

winsipolicy.p7b

Not versioned

29-Apr-25

4:32

10,341

winload.exe

10.0.25398.1606

29-Apr-25

4:32

1,712,368

winload.efi

10.0.25398.1606

29-Apr-25

4:32

3,071,256

BootMenuUX.dll

10.0.25398.1606

29-Apr-25

4:32

229,376

driversipolicy.p7b

Not versioned

29-Apr-25

4:32

229,162

ci.dll

10.0.25398.1606

29-Apr-25

4:32

1,059,256

driver.stl

Not versioned

29-Apr-25

4:32

32,631

cmi2migxml.dll

10.0.25398.1606

29-Apr-25

4:32

222,640

csiagent.dll

10.0.25398.1606

29-Apr-25

4:32

714,168

diagER.dll

10.0.25398.1606

29-Apr-25

4:32

95,672

hwcompat.dll

10.0.25398.1606

29-Apr-25

4:32

239,024

hwcompat.txt

Not versioned

29-Apr-25

4:32

969,028

hwexclude.txt

Not versioned

29-Apr-25

4:32

51

icbexclusion.inf

Not versioned

29-Apr-25

4:32

7,222

migapp.xml

Not versioned

29-Apr-25

4:32

654,548

migcore.dll

10.0.25398.1606

29-Apr-25

4:32

9,270,688

mighost.exe

10.0.25398.1606

29-Apr-25

4:32

284,088

migres.dll

10.0.25398.1606

29-Apr-25

4:32

26,032

migisol.dll

10.0.25398.1606

29-Apr-25

4:32

144,824

migstore.dll

10.0.25398.1606

29-Apr-25

4:32

1,295,816

migsys.dll

10.0.25398.1606

29-Apr-25

4:32

460,216

MXEAgent.dll

10.0.25398.1606

29-Apr-25

4:32

386,464

AppExtAgent.dll

10.0.25398.1606

29-Apr-25

4:32

484,784

offline.xml

Not versioned

29-Apr-25

4:32

41,994

oscomps.xml

Not versioned

29-Apr-25

4:32

449,323

oscomps.woa.xml

Not versioned

29-Apr-25

4:32

249,101

osfilter.inf

Not versioned

29-Apr-25

4:32

21,299

pnppropmig.dll

10.0.25398.1606

29-Apr-25

4:32

103,864

ReserveManager.dll

10.0.25398.1606

29-Apr-25

4:32

308,656

setupplatform.cfg

Not versioned

29-Apr-25

4:32

12,571

setupplatform.dll

1.80.25398.1606

29-Apr-25

4:32

9,209,264

setupplatform.exe

1.80.25398.1606

29-Apr-25

4:32

243,128

SFCN.dat

Not versioned

29-Apr-25

4:32

1,824

SFLCID.dat

Not versioned

29-Apr-25

4:32

1,644

SFLISTW7.dat

Not versioned

29-Apr-25

4:32

1,703,368

SFLISTW8.dat

Not versioned

29-Apr-25

4:32

2,608,858

SFLISTWB.dat

Not versioned

29-Apr-25

4:32

3,172,904

SFLISTWT.dat

Not versioned

29-Apr-25

4:32

4,935,402

sflistw8.woa.dat

Not versioned

29-Apr-25

4:32

954,436

SFLISTRS1.dat

Not versioned

29-Apr-25

4:32

5,593,182

sflistwb.woa.dat

Not versioned

29-Apr-25

4:32

1,150,134

sflistwt.woa.dat

Not versioned

29-Apr-25

4:32

2,636,814

SFPAT.inf

Not versioned

29-Apr-25

4:32

11,602

SFPATW7.inf

Not versioned

29-Apr-25

4:32

17,396

SFPATW8.inf

Not versioned

29-Apr-25

4:32

79,818

SFPATWB.inf

Not versioned

29-Apr-25

4:32

91,635

SFPATWT.inf

Not versioned

29-Apr-25

4:32

165,729

SFPATRS1.inf

Not versioned

29-Apr-25

4:32

169,730

unbcl.dll

10.0.25398.1606

29-Apr-25

4:32

1,082,808

upgradeagent.dll

10.0.25398.1606

29-Apr-25

4:32

3,306,952

upgradeagent.xml

Not versioned

29-Apr-25

4:32

70,907

upgrade_comp.xml

Not versioned

29-Apr-25

4:32

6,054

upgrade_bulk.xml

Not versioned

29-Apr-25

4:32

211,085

upgrade_data.xml

Not versioned

29-Apr-25

4:32

41,750

upgrade_frmwrk.xml

Not versioned

29-Apr-25

4:32

18,785

upgWow_bulk.xml

Not versioned

29-Apr-25

4:32

114,707

uninstall.xml

Not versioned

29-Apr-25

4:32

4,639

uninstall_data.xml

Not versioned

29-Apr-25

4:32

11,122

wdsutil.dll

10.0.25398.1606

29-Apr-25

4:32

349,640

WinSetupMon.hiv

Not versioned

29-Apr-25

4:32

8,192

WinSetupMon.sys

10.0.25398.1606

29-Apr-25

4:32

132,544

netio.sys

10.0.25398.1606

29-Apr-25

4:32

656,816

ntdll.dll

10.0.25398.1606

29-Apr-25

4:32

2,265,864

ntoskrnl.exe

10.0.25398.1606

29-Apr-25

4:32

12,686,792

ntkrla57.exe

10.0.25398.1606

29-Apr-25

4:32

11,445,680

diagtrack.dll

10.0.10586.0

29-Apr-25

4:32

1,365,856

diagtrackrunner.exe

10.0.10586.0

29-Apr-25

4:32

88,256

reagent.admx

Not versioned

29-Apr-25

4:32

1,240

reagent.dll

10.0.25398.1606

29-Apr-25

4:32

607,672

reagent.xml

Not versioned

29-Apr-25

4:32

837

SetupPlatform.cfg

Not versioned

29-Apr-25

4:32

19,051

wdscore.dll

10.0.25398.1606

29-Apr-25

4:32

275,912

wdsclientapi.dll

10.0.25398.1606

29-Apr-25

4:32

267,840

wdscsl.dll

10.0.25398.1606

29-Apr-25

4:32

79,304

wdsimage.dll

10.0.25398.1606

29-Apr-25

4:32

124,496

wdstptc.dll

10.0.25398.1606

29-Apr-25

4:32

185,936

fvevol.sys

10.0.25398.1606

29-Apr-25

4:32

898,504

dumpfve.sys

10.0.25398.1606

29-Apr-25

4:32

146,096

fveapibase.dll

10.0.25398.1606

29-Apr-25

4:32

507,904

fveapi.dll

10.0.25398.1606

29-Apr-25

4:32

1,097,728

tcpip.sys

10.0.25398.1606

29-Apr-25

4:32

3,274,160

FWPKCLNT.SYS

10.0.25398.1606

29-Apr-25

4:32

570,808

tcpipreg.sys

10.0.25398.1606

29-Apr-25

4:32

81,920

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

227,840

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

228,864

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

224,768

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

229,376

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

228,352

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

229,888

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

227,328

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

218,624

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

225,792

tcpip.sys.mui

10.0.25398.1606

29-Apr-25

4:32

216,576

winpeshl.exe

10.0.25398.1606

29-Apr-25

4:32

53,248

wpeutil.dll

10.0.25398.1606

29-Apr-25

4:32

155,648

wpeutil.exe

10.0.25398.1606

29-Apr-25

4:32

36,864

wpeinit.exe

10.0.25398.1606

29-Apr-25

4:32

57,344

startnet.cmd

Not versioned

29-Apr-25

4:32

9

StartRep.exe

10.0.25398.1606

29-Apr-25

4:32

671,744

RecEnv.exe

10.0.25398.1606

29-Apr-25

4:32

411,040

BootRec.exe

10.0.25398.1606

29-Apr-25

4:32

184,320

ntdll.dll

10.0.25398.1606

29-Apr-25

4:32

1,747,504

fveapibase.dll

10.0.25398.1606

29-Apr-25

4:32

426,496

fveapi.dll

10.0.25398.1606

29-Apr-25

4:32

883,712

wdsnbp.com

Not versioned

29-Apr-25

4:32

30,832

abortpxe.com

Not versioned

29-Apr-25

4:32

79

bootmgr.exe

10.0.25398.1606

29-Apr-25

4:32

742,832

pxeboot.com

Not versioned

29-Apr-25

4:32

25,254

pxeboot.n12

Not versioned

29-Apr-25

4:32

25,238

hdlscom1.com

Not versioned

29-Apr-25

4:32

25,662

hdlscom2.com

Not versioned

29-Apr-25

4:32

25,662

hdlscom1.n12

Not versioned

29-Apr-25

4:32

25,646

hdlscom2.n12

Not versioned

29-Apr-25

4:32

25,646

bootmgfw.efi

10.0.25398.1606

29-Apr-25

4:32

2,234,800

bootmgfw_EX.efi

10.0.26100.30169

29-Apr-25

4:32

2,355,984

References

Description of the standard terminology that is used to describe Microsoft software updates

Query words: safeos du

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