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Article ID: 2798286 - Last Review: February 13, 2013 - Revision: 1.0

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Symptoms

Consider the following scenario:
  • You install the Remote Desktop Session Host role service on a computer that is running Windows Server 2008 R2.
  • You publish a RemoteApp application that supports the Remote Applications Integrated Locally (RAIL) feature on the computer.
  • You use the Remote Desktop Web Access (RD Web Access) service on a client computer that is running Windows 7 or Windows Server 2008 R2 to access the RemoteApp application.
  • You open the RemoteApp application and perform several operations.
In this scenario, the Remote Desktop session disconnects. Additionally, you receive an error message that resembles the following:
Because of a protocol error, this session will be disconnected. Please try connecting to the remote computer again.

Resolution

Hotfix information

To resolve this issue, install the hotfix that is described in this article on the client computer. 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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
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 be running Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1.

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932  (http://support.microsoft.com/kb/976932/ ) Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

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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 7 and Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 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 7/Windows Server 2008 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:
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    VersionProductMilestoneService branch
    6.1.760 1.22xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7 and for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. 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 7
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File nameFile versionFile sizeDateTimePlatform
Wksprt.exe6.1.7601.22214223,74410-Jan-201303:37x86
Mstsc.exe6.1.7601.222141,051,13610-Jan-201303:37x86
Mstsc.mofNot applicable1,19912-Nov-201023:41Not applicable
Aaclient.dll6.1.7601.22214131,58410-Jan-201304:44x86
Aaclient.mofNot applicable1,26110-Jun-200921:14Not applicable
Mstscax.dll6.1.7601.222143,218,43210-Jan-201304:48x86
Mstscax.mofNot applicable2,05410-Jun-200921:17Not applicable
Tsgqec.dll6.1.7601.2221436,86410-Jan-201303:37x86
Aaclient.mflNot applicable94410-Jan-201304:46Not applicable
Mstscax.mflNot applicable1,28410-Jan-201305:06Not applicable
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For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Wksprt.exe6.1.7601.22214249,34410-Jan-201304:11x64
Mstsc.exe6.1.7601.222141,119,23210-Jan-201304:11x64
Mstsc.mofNot applicable1,19912-Nov-201023:42Not applicable
Aaclient.dll6.1.7601.22214158,72010-Jan-201305:32x64
Aaclient.mofNot applicable1,26110-Jun-200920:31Not applicable
Mstscax.dll6.1.7601.222143,718,65610-Jan-201305:38x64
Mstscax.mofNot applicable2,05410-Jun-200920:34Not applicable
Tsgqec.dll6.1.7601.2221444,03210-Jan-201305:42x64
Aaclient.mflNot applicable94410-Jan-201305:50Not applicable
Mstscax.mflNot applicable1,28410-Jan-201305:46Not applicable
Mstsc.exe6.1.7601.222141,051,13610-Jan-201303:37x86
Mstsc.mofNot applicable1,19912-Nov-201023:41Not applicable
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For all supported IA-64-based versions of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Wksprt.exe6.1.7601.22214456,70410-Jan-201303:30IA-64
Mstsc.exe6.1.7601.222141,702,91210-Jan-201303:31IA-64
Mstsc.mofNot applicable1,19912-Nov-201023:42Not applicable
Aaclient.dll6.1.7601.22214339,96810-Jan-201304:33IA-64
Aaclient.mofNot applicable1,26110-Jun-200920:36Not applicable
Mstscax.dll6.1.7601.222146,309,37610-Jan-201304:37IA-64
Mstscax.mofNot applicable2,05410-Jun-200920:38Not applicable
Tsgqec.dll6.1.7601.2221497,79210-Jan-201304:41IA-64
Aaclient.mflNot applicable94410-Jan-201304:37Not applicable
Mstscax.mflNot applicable1,28410-Jan-201304:53Not applicable
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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

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Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
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File nameX86_microsoft-windows-t..es-workspaceruntime_31bf3856ad364e35_6.1.7601.22214_none_28f6231354a2174a.manifest
File versionNot applicable
File size8,960
Date (UTC)10-Jan-2013
Time (UTC)05:38
PlatformNot applicable
File nameX86_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7601.22214_none_506d35eb98776dd8.manifest
File versionNot applicable
File size21,618
Date (UTC)10-Jan-2013
Time (UTC)05:44
PlatformNot applicable
File nameX86_microsoft-windows-t..s-clientactivexcore_31bf3856ad364e35_6.1.7601.22214_none_327ef0133d081457.manifest
File versionNot applicable
File size131,889
Date (UTC)10-Jan-2013
Time (UTC)05:44
PlatformNot applicable
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Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
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File nameAmd64_microsoft-windows-t..es-workspaceruntime_31bf3856ad364e35_6.1.7601.22214_none_8514be970cff8880.manifest
File versionNot applicable
File size10,551
Date (UTC)10-Jan-2013
Time (UTC)06:21
PlatformNot applicable
File nameAmd64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7601.22214_none_ac8bd16f50d4df0e.manifest
File versionNot applicable
File size21,624
Date (UTC)10-Jan-2013
Time (UTC)06:24
PlatformNot applicable
File nameAmd64_microsoft-windows-t..s-clientactivexcore_31bf3856ad364e35_6.1.7601.22214_none_8e9d8b96f565858d.manifest
File versionNot applicable
File size131,895
Date (UTC)10-Jan-2013
Time (UTC)06:25
PlatformNot applicable
File nameWow64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7601.22214_none_b6e07bc18535a109.manifest
File versionNot applicable
File size13,023
Date (UTC)10-Jan-2013
Time (UTC)05:27
PlatformNot applicable
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Additional files for all supported IA-64-based versions of Windows Server 2008 R2
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File nameIa64_microsoft-windows-t..es-workspaceruntime_31bf3856ad364e35_6.1.7601.22214_none_28f7c70954a02046.manifest
File versionNot applicable
File size10,549
Date (UTC)10-Jan-2013
Time (UTC)06:14
PlatformNot applicable
File nameIa64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7601.22214_none_506ed9e1987576d4.manifest
File versionNot applicable
File size21,621
Date (UTC)10-Jan-2013
Time (UTC)06:16
PlatformNot applicable
File nameIa64_microsoft-windows-t..s-clientactivexcore_31bf3856ad364e35_6.1.7601.22214_none_328094093d061d53.manifest
File versionNot applicable
File size131,892
Date (UTC)10-Jan-2013
Time (UTC)06:17
PlatformNot applicable
File nameWow64_microsoft-windows-t..minalservicesclient_31bf3856ad364e35_6.1.7601.22214_none_b6e07bc18535a109.manifest
File versionNot applicable
File size13,023
Date (UTC)10-Jan-2013
Time (UTC)05:27
PlatformNot applicable
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Applies to
  • Windows 7 Service Pack 1, when used with:
    • Windows 7 Enterprise
    • Windows 7 Home Basic
    • Windows 7 Home Premium
    • Windows 7 Professional
    • Windows 7 Starter
    • Windows 7 Ultimate
  • Windows Server 2008 R2 Service Pack 1, when used with:
    • Windows Server 2008 R2 Datacenter
    • Windows Server 2008 R2 Enterprise
    • Windows Server 2008 R2 for Itanium-Based Systems
    • Windows Server 2008 R2 Foundation
    • Windows Server 2008 R2 Standard
    • Windows Web Server 2008 R2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced kbexpertisebeginner KB2798286
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