RDS redirected resources showing degraded performance in Windows 8.1 or Windows Server 2012 R2

This article describes an issue that occurs on a Remote Desktop Session host that‘s running Windows 8.1 or Windows Server 2012 R2. You can fix this issue by using the update in this article. Before you install this update, see the Prerequisites section.
Symptoms
When connecting with Remote Desktop Services (RDS), working on any redirected resources (drives, printers, and ports) becomes very slow.
How to get this update
You can get this update by using one of the following methods. We have released an update through Windows Update and Microsoft Update Catalog. Even though this issue is observed only in Windows 8.1 or Windows Server 2012 R2, the update also applies to Windows RT 8.1. 

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

Method 1: Windows Update

This update is provided as a Recommended update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Note You must be running Microsoft Internet Explorer 6.0 or later.

Update detail information

Prerequisites

To apply this update, 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 apply this update, you don't have to make any changes to the registry.

Restart requirement

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

Update replacement information

This update doesn't replace a previously released update.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.
File Information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

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 0.18 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.
Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Rdpcore.dll6.3.9600.182552,724,86427-Feb-201617:18Not applicable
Rdpcore.mofNot applicable1,31218-Jun-201314:55Not applicable
x86 Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Rdpcorets.dll6.3.9600.182552,975,74427-Feb-201617:29x86
Rdpudd.dll6.3.9600.18255117,24827-Feb-201618:47x86
Rdpvideominiport.sys6.3.9600.1741522,84829-Oct-201403:10x86
Rfxvmt.dll6.3.9600.1741533,79229-Oct-201401:54x86
Rdpcore.dll6.3.9600.182553,273,72827-Feb-201617:57x86
Rdpcore.mofNot applicable1,31218-Jun-201312:26Not applicable
x64 Windows 8.1 and Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Rdpcorets.dll6.3.9600.182553,547,64827-Feb-201616:32x64
Rdpudd.dll6.3.9600.18255131,58427-Feb-201618:28x64
Rdpvideominiport.sys6.3.9600.1741527,45629-Oct-201403:56x64
Rfxvmt.dll6.3.9600.1741540,44829-Oct-201402:37x64
Rdpcore.dll6.3.9600.182553,820,54427-Feb-201617:19x64
Rdpcore.mofNot applicable1,31218-Jun-201314:55Not applicable
Rdp4vs.dll6.3.9600.182552,267,13627-Feb-201616:52x64
Rdp4vs.mofNot applicable1,15518-Jun-201314:57Not applicable
Rdpcore.dll6.3.9600.182553,273,72827-Feb-201617:57x86
Rdpcore.mofNot applicable1,31218-Jun-201312:26Not applicable

Additional file information

Windows RT 8.1
File propertyValue
File nameArm_2e729ee5366d344e3e2447c0687b991c_31bf3856ad364e35_6.3.9600.18257_none_f3942844e1e6834c.manifest
File versionNot applicable
File size723
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameArm_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_4fd46e6811a69a7b.manifest
File versionNot applicable
File size3,544
Date (UTC)02-Mar-2016
Time (UTC)15:05
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,596
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
x86 Windows 8.1
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,838
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameX86_8d91465c4f02a99f344a6226ad0a64e4_31bf3856ad364e35_6.3.9600.18257_none_10b6d461be357ce6.manifest
File versionNot applicable
File size725
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameX86_b61f3d5d930871cffc6d1a2dbadc1385_31bf3856ad364e35_6.3.9600.18257_none_04d8395c1b367080.manifest
File versionNot applicable
File size723
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameX86_microsoft-windows-r..s-regkeys-component_31bf3856ad364e35_6.3.9600.18257_none_c4513057234df01c.manifest
File versionNot applicable
File size12,927
Date (UTC)03-Mar-2016
Time (UTC)22:53
PlatformNot applicable
File nameX86_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_4fd1fc1011a97bb5.manifest
File versionNot applicable
File size3,544
Date (UTC)02-Mar-2016
Time (UTC)15:12
PlatformNot applicable
x64 Windows 8.1 and Windows Server 2012 R2
File propertyValue
File nameAmd64_1f5efae1feb9e41e50ed0cdf0e45a83f_31bf3856ad364e35_6.3.9600.18257_none_68b9875578f977b2.manifest
File versionNot applicable
File size729
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameAmd64_324029b5e9642e4ef13a5ac2a4569020_31bf3856ad364e35_6.3.9600.18257_none_bd162f70ebd5b6f0.manifest
File versionNot applicable
File size732
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameAmd64_aafdc86553073fdc47506b6f88e1bf4b_31bf3856ad364e35_6.3.9600.18257_none_da4fc344bf10de93.manifest
File versionNot applicable
File size727
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameAmd64_b61f3d5d930871cffc6d1a2dbadc1385_31bf3856ad364e35_6.3.9600.18257_none_60f6d4dfd393e1b6.manifest
File versionNot applicable
File size725
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameAmd64_microsoft-windows-r..s-regkeys-component_31bf3856ad364e35_6.3.9600.18257_none_206fcbdadbab6152.manifest
File versionNot applicable
File size12,931
Date (UTC)03-Mar-2016
Time (UTC)22:57
PlatformNot applicable
File nameAmd64_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_abf09793ca06eceb.manifest
File versionNot applicable
File size3,548
Date (UTC)02-Mar-2016
Time (UTC)15:31
PlatformNot applicable
File nameAmd64_microsoft-windows-t..aboration-rdp4vsapi_31bf3856ad364e35_6.3.9600.18257_none_1e955c231e26f515.manifest
File versionNot applicable
File size3,562
Date (UTC)02-Mar-2016
Time (UTC)15:31
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,731
Date (UTC)03-Mar-2016
Time (UTC)22:49
PlatformNot applicable
File nameX86_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_4fd1fc1011a97bb5.manifest
File versionNot applicable
File size3,544
Date (UTC)02-Mar-2016
Time (UTC)15:12
PlatformNot applicable
Properties

Article ID: 3146978 - Last Review: 05/10/2016 17:47:00 - Revision: 4.0

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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