Article ID: 2934016 - View products that this article applies to.
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Summary

This article describes the update rollup for Windows RT, Windows 8, and Windows Server 2012 that is dated April 2014. This update rollup package includes performance and reliability improvements. We recommend that you apply this update rollup as part of your regular maintenance routines.

Issues that this update fixes

This update package fixes the issues that are documented in the following Microsoft Knowledge Base (KB) articles:
  • 2937633 Low throughput when copying files over SMB to a scale-out file server backed by Storage Spaces in Windows 8 or Windows Server 2012
  • 2935616 High memory usage by the Wmiprvse.exe process in a Windows Server 2012 cluster
  • 2934897 Backup application process crashes in Windows Server 2012 R2 or Windows Server 2012
  • 2934123 USB selective suspend feature is disabled unexpectedly in Windows
  • 2931129 "0x0000007E" Stop error on IPMIDrv!KCSRequestResponseEngine in Windows Server
  • 2936943 Registry.pol is corrupted after an abnormal termination during the writing process in Windows Server 2012 and Windows Server 2008 R2 SP1
  • 2938013 Event ID 307 does not show the printed document name in Windows
  • 2911204 Stop error 0x9F in the mf.sys driver occurs in Windows
  • 2934249 NFS version 4.1 and version 3 work unexpectedly in Windows Server 2012 R2 or Windows Server 2012

More information

Update information

How to obtain the update

Windows Update
This update will be available from Windows Update.

Notes
  1. This update is provided as an important update.
  2. If you select the Install updates automatically (recommended) Windows Update setting, this update is installed automatically.
  3. If you select other Windows Update settings, we highly recommend that you install this update through Windows Update immediately.
Microsoft Download Center
You can also obtain the stand-alone update package through the Microsoft Download Center. For more information, go to the Microsoft Download Center, and then search for KB2934016.

Prerequisites

To apply this update, you must be running Windows RT, Windows 8, or Windows Server 2012.

Restart information

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any previously released update.

File information

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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 RT, Windows 8, and Windows Server 2012 file information 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:
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    VersionProductMilestoneService branch
    6.2.920 0.16 xxxWindows RT, Windows 8, and Windows Server 2012 RTMGDR
    6.2.920 0.20 xxxWindows RT, Windows 8, and Windows Server 2012 RTMLDR
  • 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 not listed.
For Windows RT
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File nameFile versionFile sizeDateTimePlatform
Hidi2c.sys6.2.9200.1646131,23220-Nov-201204:10Not applicable
Hidclass.sys6.2.9200.1676960,41625-Nov-201323:14Not applicable
Hidparse.sys6.2.9200.1665427,13629-Jun-201302:16Not applicable
Hidusb.sys6.2.9200.1646120,99220-Nov-201204:11Not applicable
Ipmidrv.sys6.2.9200.1684863,48815-Feb-201403:57Not applicable
Mf.sys6.2.9200.16817129,53608-Feb-201403:41Not applicable
Gpedit.dll6.2.9200.168591,015,80801-Mar-201407:20Not applicable
Kernel32.dll6.2.9200.16859922,11201-Mar-201407:20Not applicable
Kernelbase.dll6.2.9200.16857629,24826-Feb-201423:27Not applicable
Mrxsmb20.sys6.2.9200.16857148,99226-Feb-201423:16Not applicable
Mrxsmb.sys6.2.9200.16857261,63226-Feb-201423:16Not applicable
Srvnet.sys6.2.9200.16857166,40026-Feb-201423:16Not applicable
Srv2.sys6.2.9200.16857455,68026-Feb-201423:16Not applicable
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For all supported x86-based versions of Windows 8
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File nameFile versionFile sizeDateTimePlatform
Hidi2c.sys6.2.9200.1646130,20820-Nov-201204:56x86
Hidi2c.sys6.2.9200.2062330,20802-Feb-201305:59x86
Hidclass.sys6.2.9200.1676961,44025-Nov-201323:17x86
Hidparse.sys6.2.9200.1665426,49629-Jun-201302:32Not applicable
Hidusb.sys6.2.9200.1660419,45604-May-201304:08x86
Hidclass.sys6.2.9200.2088661,44025-Nov-201323:17x86
Hidparse.sys6.2.9200.2076326,49602-Jul-201302:52Not applicable
Hidusb.sys6.2.9200.1638419,45626-Jul-201202:36x86
Ipmidrv.sys6.2.9200.1684865,53615-Feb-201404:04x86
Ipmidrv.sys6.2.9200.2096865,53615-Feb-201404:06x86
Mf.sys6.2.9200.16817127,48808-Feb-201404:10x86
Mf.sys6.2.9200.20937127,48808-Feb-201404:07x86
Gpedit.dll6.2.9200.168591,075,20001-Mar-201408:07x86
Gpedit.dll6.2.9200.209781,075,20001-Mar-201408:04x86
Kernel32.dll6.2.9200.168591,011,71201-Mar-201408:07x86
Kernel32.dll6.2.9200.209781,011,71201-Mar-201408:04x86
Kernelbase.dll6.2.9200.16857755,71226-Feb-201423:38x86
Kernelbase.dll6.2.9200.20976756,22426-Feb-201423:41x86
Mrxsmb20.sys6.2.9200.16857166,40026-Feb-201423:19x86
Mrxsmb20.sys6.2.9200.20976167,42426-Feb-201423:22x86
Mrxsmb.sys6.2.9200.16857304,12826-Feb-201423:19x86
Mrxsmb.sys6.2.9200.20976305,15226-Feb-201423:22x86
Srvnet.sys6.2.9200.16857196,09626-Feb-201423:18x86
Srvnet.sys6.2.9200.20976195,58426-Feb-201423:21x86
Srv2.sys6.2.9200.16857495,10426-Feb-201423:19x86
Srv2.sys6.2.9200.20976495,61626-Feb-201423:22x86
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For all supported x64-based versions of Windows 8 and of Windows Server 2012
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File nameFile versionFile sizeDateTimePlatform
Hidi2c.sys6.2.9200.1646139,93620-Nov-201204:54x64
Hidi2c.sys6.2.9200.2062339,93602-Feb-201306:01x64
Hidclass.sys6.2.9200.1676983,96825-Nov-201323:17x64
Hidparse.sys6.2.9200.1665432,76829-Jun-201303:08x64
Hidusb.sys6.2.9200.1660427,64804-May-201304:48x64
Hidclass.sys6.2.9200.2088683,96825-Nov-201323:16x64
Hidparse.sys6.2.9200.2076332,76802-Jul-201309:25x64
Hidusb.sys6.2.9200.1638427,64826-Jul-201202:28x64
Ipmidrv.sys6.2.9200.1684878,33615-Feb-201404:15x64
Ipmidrv.sys6.2.9200.2096878,33615-Feb-201404:34x64
Mf.sys6.2.9200.16817158,72008-Feb-201404:35x64
Mf.sys6.2.9200.20937158,72008-Feb-201404:24x64
Cluswmi.dll6.2.9200.168512,052,09619-Feb-201423:28x64
Cluswmi.mofNot applicable94,87225-Jul-201220:13Not applicable
Cluswmiuninstall.mofNot applicable40902-Jun-201214:35Not applicable
Failovercluster-cluswmi-ppdlic.xrm-msNot applicable2,92020-Feb-201402:31Not applicable
Cluswmi.dll6.2.9200.209712,052,09619-Feb-201423:27x64
Cluswmi.mofNot applicable94,87225-Jul-201220:13Not applicable
Cluswmiuninstall.mofNot applicable40902-Jun-201214:35Not applicable
Failovercluster-cluswmi-ppdlic.xrm-msNot applicable2,92020-Feb-201401:50Not applicable
Gpedit.dll6.2.9200.168591,120,76801-Mar-201409:47x64
Gpedit.dll6.2.9200.209781,120,76801-Mar-201408:15x64
Kernel32.dll6.2.9200.168591,258,49601-Mar-201409:47x64
Kernel32.dll6.2.9200.209781,258,49601-Mar-201408:15x64
Kernelbase.dll6.2.9200.16857982,01626-Feb-201423:40x64
Kernelbase.dll6.2.9200.20976979,96826-Feb-201423:37x64
Msnfsflt.mofNot applicable4,46006-Jul-201220:34Not applicable
Msnfsflt.sys6.2.9200.1645332,25608-Nov-201204:00x64
Nfs-servercore-ppdlic.xrm-msNot applicable2,89315-Feb-201407:34Not applicable
Nfssvc.exe6.2.9200.1645367,58408-Nov-201204:22x64
Nfssvr.mofNot applicable6,23306-Jul-201220:34Not applicable
Nfssvr.sys6.2.9200.168481,249,79215-Feb-201404:11x64
Msnfsflt.mofNot applicable4,46002-Jun-201214:44Not applicable
Msnfsflt.sys6.2.9200.1638432,25626-Jul-201202:29x64
Nfs-servercore-ppdlic.xrm-msNot applicable2,89315-Feb-201405:41Not applicable
Nfssvc.exe6.2.9200.1638467,58426-Jul-201203:08x64
Nfssvr.mofNot applicable6,23302-Jun-201214:44Not applicable
Nfssvr.sys6.2.9200.209681,249,79215-Feb-201404:31x64
Mrxsmb20.sys6.2.9200.16857215,04026-Feb-201423:18x64
Mrxsmb20.sys6.2.9200.20976214,01626-Feb-201423:20x64
Smbdirect.sys6.2.9200.16857131,07226-Feb-201423:18x64
Smbdirect.sys6.2.9200.20976131,07226-Feb-201423:20x64
Mrxsmb.sys6.2.9200.16857370,68826-Feb-201423:18x64
Mrxsmb.sys6.2.9200.20976362,49626-Feb-201423:21x64
Srvnet.sys6.2.9200.16857247,80826-Feb-201423:18x64
Srvnet.sys6.2.9200.20976247,80826-Feb-201423:20x64
Srv2.sys6.2.9200.16857621,56826-Feb-201423:18x64
Srv2.sys6.2.9200.20976618,49626-Feb-201423:21x64
Kernel32.dll6.2.9200.16859974,84801-Mar-201406:59x86
Kernel32.dll6.2.9200.20978974,84801-Mar-201407:02x86
Kernelbase.dll6.2.9200.16857668,16026-Feb-201423:21x86
Kernelbase.dll6.2.9200.20976668,16026-Feb-201423:23x86
Gpedit.dll6.2.9200.168591,075,20001-Mar-201408:07x86
Gpedit.dll6.2.9200.209781,075,20001-Mar-201408:04x86
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References

For more information about Windows Update, go to the following Microsoft websites:
Troubleshoot problems with installing updates
Frequently asked questions about Windows automatic updates
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 2934016 - Last Review: May 13, 2014 - Revision: 2.0
Applies to
  • Windows 8 Enterprise
  • Windows 8 Pro
  • Windows 8
  • Windows RT
  • Windows Server 2012 Datacenter
  • Windows Server 2012 Essentials
  • Windows Server 2012 Foundation
  • Windows Server 2012 Standard
Keywords: 
kbfix kbsurveynew atdownload kbexpertiseadvanced KB2934016

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