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.

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:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.18 xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

  • 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 name

File version

File size

Date

Time

Platform

Rdpcore.dll

6.3.9600.18255

2,724,864

27-Feb-2016

17:18

Not applicable

Rdpcore.mof

Not applicable

1,312

18-Jun-2013

14:55

Not applicable

x86 Windows 8.1

File name

File version

File size

Date

Time

Platform

Rdpcorets.dll

6.3.9600.18255

2,975,744

27-Feb-2016

17:29

x86

Rdpudd.dll

6.3.9600.18255

117,248

27-Feb-2016

18:47

x86

Rdpvideominiport.sys

6.3.9600.17415

22,848

29-Oct-2014

03:10

x86

Rfxvmt.dll

6.3.9600.17415

33,792

29-Oct-2014

01:54

x86

Rdpcore.dll

6.3.9600.18255

3,273,728

27-Feb-2016

17:57

x86

Rdpcore.mof

Not applicable

1,312

18-Jun-2013

12:26

Not applicable

x64 Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Rdpcorets.dll

6.3.9600.18255

3,547,648

27-Feb-2016

16:32

x64

Rdpudd.dll

6.3.9600.18255

131,584

27-Feb-2016

18:28

x64

Rdpvideominiport.sys

6.3.9600.17415

27,456

29-Oct-2014

03:56

x64

Rfxvmt.dll

6.3.9600.17415

40,448

29-Oct-2014

02:37

x64

Rdpcore.dll

6.3.9600.18255

3,820,544

27-Feb-2016

17:19

x64

Rdpcore.mof

Not applicable

1,312

18-Jun-2013

14:55

Not applicable

Rdp4vs.dll

6.3.9600.18255

2,267,136

27-Feb-2016

16:52

x64

Rdp4vs.mof

Not applicable

1,155

18-Jun-2013

14:57

Not applicable

Rdpcore.dll

6.3.9600.18255

3,273,728

27-Feb-2016

17:57

x86

Rdpcore.mof

Not applicable

1,312

18-Jun-2013

12:26

Not applicable


Windows RT 8.1

File property

Value

File name

Arm_2e729ee5366d344e3e2447c0687b991c_31bf3856ad364e35_6.3.9600.18257_none_f3942844e1e6834c.manifest

File version

Not applicable

File size

723

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

Arm_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_4fd46e6811a69a7b.manifest

File version

Not applicable

File size

3,544

Date (UTC)

02-Mar-2016

Time (UTC)

15:05

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,596

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

x86 Windows 8.1

File property

Value

File name

Update.mum

File version

Not applicable

File size

1,838

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

X86_8d91465c4f02a99f344a6226ad0a64e4_31bf3856ad364e35_6.3.9600.18257_none_10b6d461be357ce6.manifest

File version

Not applicable

File size

725

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

X86_b61f3d5d930871cffc6d1a2dbadc1385_31bf3856ad364e35_6.3.9600.18257_none_04d8395c1b367080.manifest

File version

Not applicable

File size

723

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

X86_microsoft-windows-r..s-regkeys-component_31bf3856ad364e35_6.3.9600.18257_none_c4513057234df01c.manifest

File version

Not applicable

File size

12,927

Date (UTC)

03-Mar-2016

Time (UTC)

22:53

Platform

Not applicable

File name

X86_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_4fd1fc1011a97bb5.manifest

File version

Not applicable

File size

3,544

Date (UTC)

02-Mar-2016

Time (UTC)

15:12

Platform

Not applicable

x64 Windows 8.1 and Windows Server 2012 R2

File property

Value

File name

Amd64_1f5efae1feb9e41e50ed0cdf0e45a83f_31bf3856ad364e35_6.3.9600.18257_none_68b9875578f977b2.manifest

File version

Not applicable

File size

729

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

Amd64_324029b5e9642e4ef13a5ac2a4569020_31bf3856ad364e35_6.3.9600.18257_none_bd162f70ebd5b6f0.manifest

File version

Not applicable

File size

732

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

Amd64_aafdc86553073fdc47506b6f88e1bf4b_31bf3856ad364e35_6.3.9600.18257_none_da4fc344bf10de93.manifest

File version

Not applicable

File size

727

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

Amd64_b61f3d5d930871cffc6d1a2dbadc1385_31bf3856ad364e35_6.3.9600.18257_none_60f6d4dfd393e1b6.manifest

File version

Not applicable

File size

725

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

Amd64_microsoft-windows-r..s-regkeys-component_31bf3856ad364e35_6.3.9600.18257_none_206fcbdadbab6152.manifest

File version

Not applicable

File size

12,931

Date (UTC)

03-Mar-2016

Time (UTC)

22:57

Platform

Not applicable

File name

Amd64_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_abf09793ca06eceb.manifest

File version

Not applicable

File size

3,548

Date (UTC)

02-Mar-2016

Time (UTC)

15:31

Platform

Not applicable

File name

Amd64_microsoft-windows-t..aboration-rdp4vsapi_31bf3856ad364e35_6.3.9600.18257_none_1e955c231e26f515.manifest

File version

Not applicable

File size

3,562

Date (UTC)

02-Mar-2016

Time (UTC)

15:31

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,731

Date (UTC)

03-Mar-2016

Time (UTC)

22:49

Platform

Not applicable

File name

X86_microsoft-windows-t..-collaboration-core_31bf3856ad364e35_6.3.9600.18257_none_4fd1fc1011a97bb5.manifest

File version

Not applicable

File size

3,544

Date (UTC)

02-Mar-2016

Time (UTC)

15:12

Platform

Not applicable


Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×