Application freezes when you switch the system from DC mode to AC mode in Windows 8.1 or Windows Server 2012 R2

This article describes an issue in which the running application freezes when you switch the system from the DC (battery) mode to the AC mode in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. A hotfix is available to fix this issue. Before you install this hotfix, see the Prerequisites section.
Symptoms
This issue only occurs on InstantGo (also known as Connected Standby) systems.

Note The application may continue to run if you switch the system back to the DC mode.
Cause
This issue occurs because the communication between the host server and the client stops when you switch the system from the DC (battery) mode to the AC mode.

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's described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there's a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section doesn't appear, submit a request to Microsoft Customer Service and Support to get 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 don't 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 don't see your language, it's because a hotfix isn't available for that language.

Prerequisites

Before you apply this hotfix, install update 2919355 in Windows 8.1 or Windows Server 2012 R2.

Registry information

To use the hotfix in this package, you don't 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 doesn't replace a previously released hotfix.
File Information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2

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:
    VersionProductMilestoneService branch
    6.3.960 0.17 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
    6.3.960 0.18 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 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.
x86 Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Fwpkclnt.sys6.3.9600.17485286,52810-Nov-201417:47x86
Tcpip.sys6.3.9600.180871,853,27209-Oct-201521:20x86
Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Fwpkclnt.sys6.3.9600.17336278,86408-Sep-201401:20Not applicable
Tcpip.sys6.3.9600.180871,759,58409-Oct-201521:25Not applicable
x64 Windows 8.1 and Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Fwpkclnt.sys6.3.9600.17903428,88811-Jun-201520:12x64
Tcpip.sys6.3.9600.180872,476,88009-Oct-201521:15x64

Additional file information

x86 Windows 8.1
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,610
Date (UTC)09-Oct-2015
Time (UTC)21:26
PlatformNot applicable
File nameX86_ed74301a8ef647d57439f2a500fd8a73_31bf3856ad364e35_6.3.9600.18087_none_b263b2ebe6aa5b97.manifest
File versionNot applicable
File size702
Date (UTC)09-Oct-2015
Time (UTC)21:26
PlatformNot applicable
File nameX86_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.18087_none_47c0a47581fd5e06.manifest
File versionNot applicable
File size3,883
Date (UTC)09-Oct-2015
Time (UTC)21:30
PlatformNot applicable
Windows RT 8.1
File propertyValue
File nameArm_e93c430b43f72fbc7d2ec30e1830b462_31bf3856ad364e35_6.3.9600.18087_none_aa01b402c57e56f2.manifest
File versionNot applicable
File size702
Date (UTC)09-Oct-2015
Time (UTC)21:26
PlatformNot applicable
File nameArm_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.18087_none_47c316cd81fa7ccc.manifest
File versionNot applicable
File size3,883
Date (UTC)09-Oct-2015
Time (UTC)21:27
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,610
Date (UTC)09-Oct-2015
Time (UTC)21:26
PlatformNot applicable
x64 Windows 8.1 and Windows Server 2012 R2
File propertyValue
File nameAmd64_c2ec3090329b4a8422f888f477bef423_31bf3856ad364e35_6.3.9600.18087_none_0b1f211a16743d49.manifest
File versionNot applicable
File size706
Date (UTC)09-Oct-2015
Time (UTC)21:27
PlatformNot applicable
File nameAmd64_microsoft-windows-tcpip-binaries_31bf3856ad364e35_6.3.9600.18087_none_a3df3ff93a5acf3c.manifest
File versionNot applicable
File size3,887
Date (UTC)09-Oct-2015
Time (UTC)21:33
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,618
Date (UTC)09-Oct-2015
Time (UTC)21:27
PlatformNot 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.
Properties

Article ID: 3101718 - Last Review: 11/11/2015 00:48:00 - 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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