This article describes an issue in Windows Filtering Platform (WFP) in Windows Server 2012 R2 or Windows Server 2012. A hotfix is available to fix this issue. The hotfix has a prerequisite.

Symptoms

When this issue occurs, you can't access resources reliably, and the computer freezes when the memory is used up. 

Resolution

To resolve this issue, we have released a hotfix. Even though this issue has been observed only in Windows Server 2012 R2 or Windows Server 2012, the hotfix also applies to Windows 8.1, Windows RT 8.1, and Windows 8.

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

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix in Windows 8.1 or Windows Server 2012 R2, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

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

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

The global version of this hotfix 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

Important Windows 8.1 hotfixes and Windows Server 2012 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1/Windows Server 2012 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • 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 0.17xxx

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

    RTM

    GDR

  • 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 are not 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

Netio.sys

6.3.9600.17924

334,680

03-Jul-2015

05:25

x86

Bfe.dll

6.3.9600.17924

570,368

02-Jul-2015

20:13

x86

Fwpuclnt.dll

6.3.9600.17924

272,384

02-Jul-2015

20:08

x86

Ikeext.dll

6.3.9600.17924

734,208

02-Jul-2015

20:10

x86

Nshwfp.dll

6.3.9600.17924

561,664

02-Jul-2015

19:58

x86

Bfe.dll

6.3.9600.17924

570,368

02-Jul-2015

20:13

x86

Fwpuclnt.dll

6.3.9600.17924

272,384

02-Jul-2015

20:08

x86

Ikeext.dll

6.3.9600.17924

734,208

02-Jul-2015

20:10

x86

Networksecurity-ppdlic.xrm-ms

Not applicable

3,059

02-Jul-2015

22:18

Not applicable

Nshwfp.dll

6.3.9600.17924

561,664

02-Jul-2015

19:58

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 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Netio.sys

6.3.9600.17924

471,896

03-Jul-2015

05:21

x64

Bfe.dll

6.3.9600.17924

845,312

02-Jul-2015

19:21

x64

Fwpuclnt.dll

6.3.9600.17924

422,400

02-Jul-2015

19:13

x64

Ikeext.dll

6.3.9600.17924

1,084,416

02-Jul-2015

19:21

x64

Nshwfp.dll

6.3.9600.17924

713,216

02-Jul-2015

18:55

x64

Bfe.dll

6.3.9600.17924

845,312

02-Jul-2015

19:21

x64

Fwpuclnt.dll

6.3.9600.17924

422,400

02-Jul-2015

19:13

x64

Ikeext.dll

6.3.9600.17924

1,084,416

02-Jul-2015

19:21

x64

Networksecurity-ppdlic.xrm-ms

Not applicable

3,059

02-Jul-2015

21:46

Not applicable

Nshwfp.dll

6.3.9600.17924

713,216

02-Jul-2015

18:55

x64

Wfplwfs.sys

6.3.9600.17485

136,512

10-Nov-2014

18:06

x64

Fwpuclnt.dll

6.3.9600.17924

272,384

02-Jul-2015

20:08

x86

Nshwfp.dll

6.3.9600.17924

561,664

02-Jul-2015

19:58

x86

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Netio.sys

6.3.9600.17924

301,928

03-Jul-2015

05:32

Not applicable

Bfe.dll

6.3.9600.17924

528,896

02-Jul-2015

18:32

Not applicable

Fwpuclnt.dll

6.3.9600.17924

246,784

02-Jul-2015

18:27

Not applicable

Ikeext.dll

6.3.9600.17924

634,368

02-Jul-2015

18:29

Not applicable

Nshwfp.dll

6.3.9600.17924

559,616

02-Jul-2015

18:19

Not applicable

Bfe.dll

6.3.9600.17924

528,896

02-Jul-2015

18:32

Not applicable

Fwpuclnt.dll

6.3.9600.17924

246,784

02-Jul-2015

18:27

Not applicable

Ikeext.dll

6.3.9600.17924

634,368

02-Jul-2015

18:29

Not applicable

Networksecurity-ppdlic.xrm-ms

Not applicable

3,059

02-Jul-2015

20:05

Not applicable

Nshwfp.dll

6.3.9600.17924

559,616

02-Jul-2015

18:19

Not applicable

Wfplwfs.sys

6.3.9600.17485

70,984

10-Nov-2014

17:52

Not applicable

Windows 8 and Windows Server 2012 file information and notes

Important Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8/Windows Server 2012" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • 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

    6.2.920 0.21xxx

    Windows 8 and Windows Server 2012

    RTM

    LDR

  • 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 are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Netio.sys

6.2.9200.21615

343,368

08-Sep-2015

13:47

x86

For all supported x64-based versions of Windows 8 and of Windows Server 2012

File name

File version

File size

Date

Time

Platform

Netio.sys

6.2.9200.21614

442,712

08-Sep-2015

14:58

x64

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_2339cc3bd3b9bdd613e7240238f0c5bf_31bf3856ad364e35_6.3.9600.17924_none_9007d500091e1373.manifest

File version

Not applicable

File size

704

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

X86_a4db4a53b3b05ab5d5581b68cd9dc0d0_31bf3856ad364e35_6.3.9600.17924_none_92319d8e5e4e6974.manifest

File version

Not applicable

File size

710

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

X86_b2d69a2056837468e55cd7e380de44b0_31bf3856ad364e35_6.3.9600.17924_none_4a701760ff8760bd.manifest

File version

Not applicable

File size

708

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

X86_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.3.9600.17924_none_eb7c0580d0b67d82.manifest

File version

Not applicable

File size

2,582

Date (UTC)

03-Jul-2015

Time (UTC)

05:38

Platform

Not applicable

File name

X86_microsoft-windows-network-security-winpe_31bf3856ad364e35_6.3.9600.17924_none_7ae9ba5f32488e4e.manifest

File version

Not applicable

File size

97,109

Date (UTC)

02-Jul-2015

Time (UTC)

22:19

Platform

Not applicable

File name

X86_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.17924_none_6205089445f3ce2c.manifest

File version

Not applicable

File size

95,167

Date (UTC)

03-Jul-2015

Time (UTC)

05:38

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_168a8314bdb5dbd4e9685221fb06a678_31bf3856ad364e35_6.3.9600.17924_none_dcb040cd45ea02a7.manifest

File version

Not applicable

File size

712

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Amd64_2331681934d3a31844c805c9b2ce2344_31bf3856ad364e35_6.3.9600.17924_none_d1286b329ff6322d.manifest

File version

Not applicable

File size

708

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Amd64_a532a088df4289e67a07a17eb70fc1ae_31bf3856ad364e35_6.3.9600.17924_none_08f28afc89cccb5e.manifest

File version

Not applicable

File size

712

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Amd64_bd8e5751fda13141fbef09ff07b65c39_31bf3856ad364e35_6.3.9600.17924_none_8b16e4e1528bec8d.manifest

File version

Not applicable

File size

714

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Amd64_e3936a43690f9376a852317eb0022333_31bf3856ad364e35_6.3.9600.17924_none_5524379b9d3418d7.manifest

File version

Not applicable

File size

708

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Amd64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.3.9600.17924_none_479aa1048913eeb8.manifest

File version

Not applicable

File size

2,584

Date (UTC)

03-Jul-2015

Time (UTC)

05:42

Platform

Not applicable

File name

Amd64_microsoft-windows-network-security-winpe_31bf3856ad364e35_6.3.9600.17924_none_d70855e2eaa5ff84.manifest

File version

Not applicable

File size

97,115

Date (UTC)

02-Jul-2015

Time (UTC)

22:24

Platform

Not applicable

File name

Amd64_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.17924_none_be23a417fe513f62.manifest

File version

Not applicable

File size

95,173

Date (UTC)

03-Jul-2015

Time (UTC)

05:42

Platform

Not applicable

File name

Wow64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.3.9600.17924_none_51ef4b56bd74b0b3.manifest

File version

Not applicable

File size

1,183

Date (UTC)

02-Jul-2015

Time (UTC)

22:17

Platform

Not applicable

File name

Wow64_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.17924_none_c8784e6a32b2015d.manifest

File version

Not applicable

File size

19,282

Date (UTC)

02-Jul-2015

Time (UTC)

22:19

Platform

Not applicable

Additional files for all supported Windows RT 8.1

File property

Value

File name

Arm_490d4cbd5af1dffd3e6eaa30b3d8cc6f_31bf3856ad364e35_6.3.9600.17924_none_ed4ff04c54fa4ae4.manifest

File version

Not applicable

File size

708

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Arm_a22e1bf0a395b4845012adfbf61876a0_31bf3856ad364e35_6.3.9600.17924_none_5cf7ac0de6f66cf5.manifest

File version

Not applicable

File size

710

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Arm_cfcbbaf4012c77600191398070c36c96_31bf3856ad364e35_6.3.9600.17924_none_2383f4fd2149a15d.manifest

File version

Not applicable

File size

704

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Arm_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.3.9600.17924_none_eb7e77d8d0b39c48.manifest

File version

Not applicable

File size

2,582

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

File name

Arm_microsoft-windows-network-security-winpe_31bf3856ad364e35_6.3.9600.17924_none_7aec2cb73245ad14.manifest

File version

Not applicable

File size

97,109

Date (UTC)

02-Jul-2015

Time (UTC)

20:06

Platform

Not applicable

File name

Arm_microsoft-windows-network-security_31bf3856ad364e35_6.3.9600.17924_none_62077aec45f0ecf2.manifest

File version

Not applicable

File size

95,227

Date (UTC)

03-Jul-2015

Time (UTC)

05:35

Platform

Not applicable

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8

File property

Value

File name

Update.mum

File version

Not applicable

File size

1,609

Date (UTC)

09-Sep-2015

Time (UTC)

17:01

Platform

Not applicable

File name

X86_985dc7f80bec9cf3b871a477c2feb391_31bf3856ad364e35_6.2.9200.21617_none_0578f6eb0333f390.manifest

File version

Not applicable

File size

708

Date (UTC)

09-Sep-2015

Time (UTC)

17:01

Platform

Not applicable

File name

X86_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.2.9200.21617_none_541eb2d79f968847.manifest

File version

Not applicable

File size

2,579

Date (UTC)

08-Sep-2015

Time (UTC)

13:53

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012

File property

Value

File name

Amd64_b52e20c4bc400d07ea36f4abd25e8734_31bf3856ad364e35_6.2.9200.21617_none_7269e1778e7f79c2.manifest

File version

Not applicable

File size

712

Date (UTC)

09-Sep-2015

Time (UTC)

17:01

Platform

Not applicable

File name

Amd64_c0ca83fb99b4e83ae25b2b252205a0cc_31bf3856ad364e35_6.2.9200.21617_none_2a1525893e1bb55f.manifest

File version

Not applicable

File size

712

Date (UTC)

09-Sep-2015

Time (UTC)

17:01

Platform

Not applicable

File name

Amd64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.2.9200.21617_none_b03d4e5b57f3f97d.manifest

File version

Not applicable

File size

2,581

Date (UTC)

08-Sep-2015

Time (UTC)

15:02

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,492

Date (UTC)

09-Sep-2015

Time (UTC)

17:01

Platform

Not applicable

File name

Wow64_microsoft-windows-netio-infrastructure_31bf3856ad364e35_6.2.9200.21617_none_ba91f8ad8c54bb78.manifest

File version

Not applicable

File size

1,183

Date (UTC)

08-Sep-2015

Time (UTC)

13:52

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.

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