This article describes an issue that occurs when Windows 8.1 or Windows Server 2012 R2 hosts communicate with Windows 10 devices. An update is available to fix this issue. Before you install this update, check out the Prerequisites section.

Symptoms

This issue occurs when Windows 8.1 or Windows Server 2012 R2 hosts try to establish a connection with another host. The connection uses an IPsec tunnel, and is configured by using an IKE_EXCHANGE_INFO_GUARANTEE_ENCRYPTION flag. 

How to get this update

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is provided as an Optional update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating system

Update

All supported x86-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows 8.1

Download Download the package now.

All supported x64-based versions of Windows Server 2012 R2

Download Download the package now.

Note The update for Windows RT 8.1 can be got only from Windows Update.

For more information about how to download Microsoft support files, select the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services  Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Update detail information

Prerequisites

To install this update, install April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) in Windows 8.1 or Windows Server 2012 R2.

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8.1 and Windows Server 2012 R2 file information and notes


  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.17 xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes aren't listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Bfe.dll

6.3.9600.18009

570,368

10-Aug-2015

17:01

x86

Fwpuclnt.dll

6.3.9600.18009

272,384

10-Aug-2015

16:56

x86

Ikeext.dll

6.3.9600.18009

734,208

10-Aug-2015

16:58

x86

Nshwfp.dll

6.3.9600.18009

561,664

10-Aug-2015

16:46

x86

Bfe.dll

6.3.9600.18009

570,368

10-Aug-2015

17:01

x86

Fwpuclnt.dll

6.3.9600.18009

272,384

10-Aug-2015

16:56

x86

Ikeext.dll

6.3.9600.18009

734,208

10-Aug-2015

16:58

x86

Networksecurity-ppdlic.xrm-ms

Not applicable

3,059

12-Aug-2015

20:04

Not applicable

Nshwfp.dll

6.3.9600.18009

561,664

10-Aug-2015

16:46

x86

Wfplwfs.sys

6.3.9600.17485

69,440

10-Nov-2014

17:47

x86

For all supported x64-based versions of Windows 8.1 or Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Bfe.dll

6.3.9600.18009

845,312

10-Aug-2015

18:15

x64

Fwpuclnt.dll

6.3.9600.18009

422,400

10-Aug-2015

18:06

x64

Ikeext.dll

6.3.9600.18009

1,084,928

10-Aug-2015

18:15

x64

Nshwfp.dll

6.3.9600.18009

713,216

10-Aug-2015

17:49

x64

Bfe.dll

6.3.9600.18009

845,312

10-Aug-2015

18:15

x64

Fwpuclnt.dll

6.3.9600.18009

422,400

10-Aug-2015

18:06

x64

Ikeext.dll

6.3.9600.18009

1,084,928

10-Aug-2015

18:15

x64

Networksecurity-ppdlic.xrm-ms

Not applicable

3,059

12-Aug-2015

20:25

Not applicable

Nshwfp.dll

6.3.9600.18009

713,216

10-Aug-2015

17:49

x64

Wfplwfs.sys

6.3.9600.17485

136,512

10-Nov-2014

18:06

x64

Fwpuclnt.dll

6.3.9600.18009

272,384

10-Aug-2015

16:56

x86

Nshwfp.dll

6.3.9600.18009

561,664

10-Aug-2015

16:46

x86

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Bfe.dll

6.3.9600.18009

528,896

10-Aug-2015

16:46

Not applicable

Fwpuclnt.dll

6.3.9600.18009

246,784

10-Aug-2015

16:41

Not applicable

Ikeext.dll

6.3.9600.18009

634,368

10-Aug-2015

16:42

Not applicable

Nshwfp.dll

6.3.9600.18009

559,616

10-Aug-2015

16:33

Not applicable

Bfe.dll

6.3.9600.18009

528,896

10-Aug-2015

16:46

Not applicable

Fwpuclnt.dll

6.3.9600.18009

246,784

10-Aug-2015

16:41

Not applicable

Ikeext.dll

6.3.9600.18009

634,368

10-Aug-2015

16:42

Not applicable

Networksecurity-ppdlic.xrm-ms

Not applicable

3,059

12-Aug-2015

19:39

Not applicable

Nshwfp.dll

6.3.9600.18009

559,616

10-Aug-2015

16:33

Not applicable

Wfplwfs.sys

6.3.9600.17485

70,984

10-Nov-2014

17:52

Not applicable


Additional file information


Additional file information for Windows 8.1 and for Windows Server 2012 R2


Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_2fd7fba4fd82e6bcd110fb8319ec8fc5_31bf3856ad364e35_6.3.9600.18012_none_7eb448aeab9918a8.manifest

File version

Not applicable

File size

704

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable

File name

X86_34b29f48bc2ec6f7750770fc44efed18_31bf3856ad364e35_6.3.9600.18012_none_4186489e5cce3e47.manifest

File version

Not applicable

File size

710

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable

File name

X86_microsoft-windows-network-security-winpe_31bf3856ad364e35_6.3.9600.18012_none_7af261d9324272f1.manifest

File version

Not applicable

File size

97,109

Date (UTC)

12-Aug-2015

Time (UTC)

20:10

Platform

Not applicable

File name

X86_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.18012_none_620db00e45edb2cf.manifest

File version

Not applicable

File size

95,167

Date (UTC)

13-Aug-2015

Time (UTC)

23:59

Platform

Not applicable


Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File property

Value

File name

Amd64_168bbcab89ea2fc76b8701dae1f62723_31bf3856ad364e35_6.3.9600.18012_none_e385ca72999a027a.manifest

File version

Not applicable

File size

708

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable

File name

Amd64_6cda2c8c00fcb0dd874827ec171f1109_31bf3856ad364e35_6.3.9600.18012_none_8fe8e947ef778d38.manifest

File version

Not applicable

File size

708

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable

File name

Amd64_84bcdd30ecbbcff02c0bbf6fba735ca2_31bf3856ad364e35_6.3.9600.18012_none_f8dd5049884ab07b.manifest

File version

Not applicable

File size

714

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable

File name

Amd64_microsoft-windows-network-security-winpe_31bf3856ad364e35_6.3.9600.18012_none_d710fd5cea9fe427.manifest

File version

Not applicable

File size

97,115

Date (UTC)

12-Aug-2015

Time (UTC)

20:26

Platform

Not applicable

File name

Amd64_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.18012_none_be2c4b91fe4b2405.manifest

File version

Not applicable

File size

95,173

Date (UTC)

14-Aug-2015

Time (UTC)

00:18

Platform

Not applicable

File name

Wow64_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.18012_none_c880f5e432abe600.manifest

File version

Not applicable

File size

19,282

Date (UTC)

12-Aug-2015

Time (UTC)

20:09

Platform

Not applicable


Additional files for all supported Windows RT 8.1

File property

Value

File name

Arm_2693705ce3d566c1089f6d87a98223eb_31bf3856ad364e35_6.3.9600.18012_none_0a3c71c0992b2003.manifest

File version

Not applicable

File size

704

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable

File name

Arm_eb813953987f4a936a8916204158ced2_31bf3856ad364e35_6.3.9600.18012_none_4db1bc44987abc3d.manifest

File version

Not applicable

File size

710

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable

File name

Arm_microsoft-windows-network-security-winpe_31bf3856ad364e35_6.3.9600.18012_none_7af4d431323f91b7.manifest

File version

Not applicable

File size

97,109

Date (UTC)

12-Aug-2015

Time (UTC)

19:39

Platform

Not applicable

File name

Arm_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.18012_none_6210226645ead195.manifest

File version

Not applicable

File size

95,227

Date (UTC)

13-Aug-2015

Time (UTC)

23:49

Platform

Not applicable




Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

See the terminology that Microsoft uses to describe software updates.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×