This article describes an issue that occurs when you try to use Wi-Fi Direct in Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2. A hotfix is available to resolve this issue. The hotfix has a prerequisite.

Hotfix information

Important Do not install a language pack after you install this hotfix. If you do, the language-specific changes in the hotfix will not be applied, and you will have to reinstall the hotfix. For more information, see Add language packs to Windows.

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

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 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

Nwifi.sys

6.3.9600.17415

375,808

29-Oct-2014

02:00

x86

Proximityservice.dll

6.3.9600.17415

248,832

29-Oct-2014

00:56

x86

Report.system.wireless.xml

Not applicable

59,620

18-Jun-2013

12:37

Not applicable

Rules.system.wireless.xml

Not applicable

159,934

18-Jun-2013

12:37

Not applicable

Wfdprov.dll

6.3.9600.17415

24,064

29-Oct-2014

00:58

x86

Wlan.mof

Not applicable

12,880

18-Jun-2013

12:37

Not applicable

Wlanapi.dll

6.3.9600.17415

238,080

29-Oct-2014

00:53

x86

Wlanhlp.dll

6.3.9600.17415

11,264

29-Oct-2014

02:04

x86

Wlanmsm.dll

6.3.9600.17415

304,128

29-Oct-2014

00:49

x86

Wlansec.dll

6.3.9600.17415

383,488

29-Oct-2014

01:01

x86

Wlansvc.dll

6.3.9600.17728

1,326,080

13-Mar-2015

02:23

x86

Wlansvc.ptxml

Not applicable

31,352

21-Aug-2013

23:39

Not applicable

Wlansvcpal.dll

6.3.9600.17415

14,848

29-Oct-2014

01:02

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

Nwifi.sys

6.3.9600.17415

445,440

29-Oct-2014

02:45

x64

Proximityservice.dll

6.3.9600.17415

301,568

29-Oct-2014

01:14

x64

Report.system.wireless.xml

Not applicable

59,620

18-Jun-2013

15:09

Not applicable

Rules.system.wireless.xml

Not applicable

159,934

18-Jun-2013

15:09

Not applicable

Wfdprov.dll

6.3.9600.17415

28,672

29-Oct-2014

01:17

x64

Wlan.mof

Not applicable

12,880

18-Jun-2013

15:09

Not applicable

Wlanapi.dll

6.3.9600.17415

302,080

29-Oct-2014

01:10

x64

Wlanhlp.dll

6.3.9600.17415

11,264

29-Oct-2014

02:49

x64

Wlanmsm.dll

6.3.9600.17415

374,272

29-Oct-2014

01:03

x64

Wlansec.dll

6.3.9600.17415

445,952

29-Oct-2014

01:23

x64

Wlansvc.dll

6.3.9600.17728

1,547,264

13-Mar-2015

02:37

x64

Wlansvc.ptxml

Not applicable

31,352

22-Aug-2013

06:45

Not applicable

Wlansvcpal.dll

6.3.9600.17415

18,944

29-Oct-2014

01:25

x64

Wfdprov.dll

6.3.9600.17415

24,064

29-Oct-2014

00:58

x86

Wlan.mof

Not applicable

12,880

18-Jun-2013

12:37

Not applicable

Wlanapi.dll

6.3.9600.17415

238,080

29-Oct-2014

00:53

x86

Wlanhlp.dll

6.3.9600.17415

11,264

29-Oct-2014

02:04

x86

Wlanmsm.dll

6.3.9600.17415

304,128

29-Oct-2014

00:49

x86

Wlansec.dll

6.3.9600.17415

383,488

29-Oct-2014

01:01

x86

Wow64_wlansvc.ptxml

Not applicable

31,352

21-Aug-2013

23:39

Not applicable

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Nwifi.sys

6.3.9600.17238

336,896

24-Jul-2014

09:40

Not applicable

Proximityservice.dll

6.3.9600.17278

224,768

16-Aug-2014

00:17

Not applicable

Report.system.wireless.xml

Not applicable

59,620

18-Jun-2013

15:09

Not applicable

Rules.system.wireless.xml

Not applicable

159,934

18-Jun-2013

15:09

Not applicable

Wfdprov.dll

6.3.9600.16384

23,040

22-Aug-2013

02:11

Not applicable

Wlan.mof

Not applicable

12,880

18-Jun-2013

15:09

Not applicable

Wlanapi.dll

6.3.9600.17728

207,872

13-Mar-2015

02:12

Not applicable

Wlanhlp.dll

6.3.9600.17041

11,264

06-Mar-2014

07:08

Not applicable

Wlanmsm.dll

6.3.9600.17728

271,872

13-Mar-2015

02:09

Not applicable

Wlansec.dll

6.3.9600.17728

317,440

13-Mar-2015

02:18

Not applicable

Wlansvc.dll

6.3.9600.17728

1,216,512

13-Mar-2015

02:10

Not applicable

Wlansvc.ptxml

Not applicable

31,352

21-Aug-2013

23:33

Not applicable

Wlansvcpal.dll

6.3.9600.17238

14,336

24-Jul-2014

08:07

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_1cfee498fef7de977f266e2af35dd9ca_31bf3856ad364e35_6.3.9600.17728_none_47498659a314f192.manifest

File version

Not applicable

File size

705

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

X86_295933a67c0cc14314b6ea81e14687eb_31bf3856ad364e35_6.3.9600.17728_none_a4a788340c4c0108.manifest

File version

Not applicable

File size

1,039

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

X86_microsoft-windows-native-80211_31bf3856ad364e35_6.3.9600.17728_none_e3ed3f17aa57e771.manifest

File version

Not applicable

File size

68,300

Date (UTC)

13-Mar-2015

Time (UTC)

15:08

Platform

Not applicable

File name

X86_microsoft-windows-proximity-service_31bf3856ad364e35_6.3.9600.17728_none_14cf8057bb284882.manifest

File version

Not applicable

File size

3,517

Date (UTC)

13-Mar-2015

Time (UTC)

15:08

Platform

Not applicable

File name

X86_microsoft-windows-wlansvc_31bf3856ad364e35_6.3.9600.17728_none_3128d85a204b8269.manifest

File version

Not applicable

File size

237,229

Date (UTC)

13-Mar-2015

Time (UTC)

15:08

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_3ea87af0fbbbd6345c35776d341fb9d1_31bf3856ad364e35_6.3.9600.17728_none_f9b5dd8ed89cbb38.manifest

File version

Not applicable

File size

709

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

Amd64_be2c4c32d6e98c1fb4005186c7385685_31bf3856ad364e35_6.3.9600.17728_none_7894d8646211249b.manifest

File version

Not applicable

File size

699

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

Amd64_c5bd7f1fe484377c275b23dfd62d40be_31bf3856ad364e35_6.3.9600.17728_none_b74eb2294710354b.manifest

File version

Not applicable

File size

1,045

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

Amd64_microsoft-windows-native-80211_31bf3856ad364e35_6.3.9600.17728_none_400bda9b62b558a7.manifest

File version

Not applicable

File size

68,304

Date (UTC)

13-Mar-2015

Time (UTC)

15:11

Platform

Not applicable

File name

Amd64_microsoft-windows-proximity-service_31bf3856ad364e35_6.3.9600.17728_none_70ee1bdb7385b9b8.manifest

File version

Not applicable

File size

3,519

Date (UTC)

13-Mar-2015

Time (UTC)

15:11

Platform

Not applicable

File name

Amd64_microsoft-windows-wlansvc_31bf3856ad364e35_6.3.9600.17728_none_8d4773ddd8a8f39f.manifest

File version

Not applicable

File size

237,233

Date (UTC)

13-Mar-2015

Time (UTC)

15:11

Platform

Not applicable

File name

Wow64_microsoft-windows-wlansvc_31bf3856ad364e35_6.3.9600.17728_none_979c1e300d09b59a.manifest

File version

Not applicable

File size

231,376

Date (UTC)

13-Mar-2015

Time (UTC)

15:11

Platform

Not applicable

Additional files for all supported Windows RT 8.1

File property

Value

File name

Arm_86207a8e32dd18c1cdde4433eacc55fb_31bf3856ad364e35_6.3.9600.17728_none_912aebb7c576d309.manifest

File version

Not applicable

File size

1,039

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

Arm_b1947365396f1ca43de38796522e790f_31bf3856ad364e35_6.3.9600.17728_none_c853d14003a1db37.manifest

File version

Not applicable

File size

705

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

Arm_microsoft-windows-native-80211_31bf3856ad364e35_6.3.9600.17728_none_e3efb16faa550637.manifest

File version

Not applicable

File size

68,300

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

Arm_microsoft-windows-proximity-service_31bf3856ad364e35_6.3.9600.17728_none_14d1f2afbb256748.manifest

File version

Not applicable

File size

3,517

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

File name

Arm_microsoft-windows-wlansvc_31bf3856ad364e35_6.3.9600.17728_none_312b4ab22048a12f.manifest

File version

Not applicable

File size

237,229

Date (UTC)

13-Mar-2015

Time (UTC)

15:05

Platform

Not applicable

Status

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

Cause

This issue occurs because the typos in the association frame parser cause the maximum data rate for 4K connections to be interpreted incorrectly.

References

See the terminology that Microsoft uses to describe software updates.

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