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Network adapters may not connect after you resume a Windows-based computer that is out of docking station range

This article describes an issue that occurs if you put a computer to sleep mode and then move it out of docking station range. A hotfix is available to resolve this issue. Before you install this update, check out the Prerequisites section.
Symptoms
Assume that you put a computer that is running Windows 8.1 or Windows RT 8.1 to sleep mode. Then, it is removed from a docking station so that it is disconnected from a wired Ethernet connection. When the computer resumes and tries to reconnect over a wireless network, it may fail. 
Cause
This issue occurs because Windows incorrectly handles the removal of the wired connection while the computer is in sleep mode.
Resolution
To resolve this issue, we have released a hotfix for Windows 8.1. Even though this issue has only been observed in Windows 8.1 or Windows RT 8.1, the hotfix also applies to Windows Server 2012 R2. 

Hotfix information

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.

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: Note 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 update 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.

File information

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:
    VersionProductMilestoneService branch
    6.3.960 0.17 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
  • 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 are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Wcmcsp.dll6.3.9600.1741592,67229-Oct-201400:52x86
Wcmsvc.dll6.3.9600.17996305,15225-Jul-201514:04x86
For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Wcmcsp.dll6.3.9600.17415109,05629-Oct-201401:07x64
Wcmsvc.dll6.3.9600.17996374,78425-Jul-201514:06x64
For all supported Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Wcmcsp.dll6.3.9600.1799580,38424-Jul-201516:14Not applicable
Wcmsvc.dll6.3.9600.17996267,26425-Jul-201514:04Not 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 propertyValue
File nameX86_89911d5216afce21b8644d048b7e0e8b_31bf3856ad364e35_6.3.9600.17996_none_0f33430a3de35e70.manifest
File versionNot applicable
File size694
Date (UTC)25-Jul-2015
Time (UTC)22:39
File nameX86_microsoft-windows-wcmsvc_31bf3856ad364e35_6.3.9600.17996_none_d37b4e8f1e4cc43b.manifest
File versionNot applicable
File size45,007
Date (UTC)25-Jul-2015
Time (UTC)22:42
Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File propertyValue
File nameAmd64_2ab239353f6102987baf674e65e485c6_31bf3856ad364e35_6.3.9600.17996_none_c13e103e8b113879.manifest
File versionNot applicable
File size698
Date (UTC)25-Jul-2015
Time (UTC)22:39
File nameAmd64_microsoft-windows-wcmsvc_31bf3856ad364e35_6.3.9600.17996_none_2f99ea12d6aa3571.manifest
File versionNot applicable
File size45,011
Date (UTC)25-Jul-2015
Time (UTC)22:46
Additional files for all supported Windows RT 8.1
File propertyValue
File nameArm_41c432a3ea218efcc6d0f1daf3a1c8dd_31bf3856ad364e35_6.3.9600.17996_none_330f2746bae927d4.manifest
File versionNot applicable
File size694
Date (UTC)25-Jul-2015
Time (UTC)22:39
File nameArm_microsoft-windows-wcmsvc_31bf3856ad364e35_6.3.9600.17996_none_d37dc0e71e49e301.manifest
File versionNot applicable
File size45,004
Date (UTC)25-Jul-2015
Time (UTC)14:45

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.
Properties

Article ID: 3080734 - Last Review: 08/11/2015 08:42:00 - Revision: 1.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1

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