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Article ID: 2769791 - Last Review: December 12, 2012 - Revision: 1.0

Hotfix Download Available
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Symptoms

Consider the following scenario:
  • You have a Windows Server 2008 R2-based computer that has the Remote Desktop Services role installed.
  • On a client computer, you enable remote audio playback for a remote desktop connection. To do this, start Remote Desktop Connection, click Show Options, select the Local Resources tab, click Settings in the Remote audio section, select Play on remote computer in the Remote audio playback section, and then click OK.
  • You use Remote Desktop Connection to establish a connection to the server from the client computer.

In this situation, no local audio device is assigned to the session.

Note On a Windows Server 2003-based terminal server, you can see and use the audio device that located on the server during the remote session.

Resolution

Hotfix information

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 Server 2008 R2 or Windows Server 2008 R2 Service Pack 1 (SP1). For more information about how to obtain a 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 use the hotfix, you do not have to change 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

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 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:
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.1.760 0.16xxxWindows Server 2008 R2RTMGDR
    6.1.760 0.20xxxWindows Server 2008 R2RTMLDR
    6.1.760 1.17xxxWindows Server 2008 R2SP1GDR
    6.1.760 1.22xxxWindows Server 2008 R2SP1LDR
  • 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) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2" section. MANIFEST files and the associated security catalog (.cat) files, are extremely 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.
For all supported x64-based versions of Windows Server 2008 R2
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File nameFile versionFile sizeDateTimePlatform
Audiodg.exe6.1.7600.21360125,95202-Nov-201204:11x64
Audioeng.dll6.1.7600.21360440,32002-Nov-201205:32x64
Audiokse.dll6.1.7600.21360499,71202-Nov-201205:40x64
Audioses.dll6.1.7600.21360295,93602-Nov-201205:32x64
Audiosrv.dll6.1.7600.21360677,37602-Nov-201205:32x64
Encdump.dll5.0.1.1283,64802-Nov-201205:35x64
Prod_audio-audiocore.ptxmlNot applicable1,44213-Jul-200920:47Not applicable
Audiodg.exe6.1.7601.17514126,46420-Nov-201013:24x64
Audioeng.dll6.1.7601.22150440,32002-Nov-201205:44x64
Audiokse.dll6.1.7601.22150499,71202-Nov-201205:51x64
Audioses.dll6.1.7601.22150295,93602-Nov-201205:44x64
Audiosrv.dll6.1.7601.22150678,91202-Nov-201205:44x64
Encdump.dll5.0.1.1283,64802-Nov-201205:46x64
Prod_audio-audiocore.ptxmlNot applicable66720-Nov-201004:25Not applicable
Dshowrdpfilter.dll1.0.0.0274,94402-Nov-201205:34x64
Dshowrdpfilter.mofNot applicable1,19710-Jun-200920:38Not applicable
Tsmf.dll6.1.7600.21360292,86402-Nov-201205:42x64
Tsmf.mofNot applicable1,23610-Jun-200920:38Not applicable
Dshowrdpfilter.dll1.0.0.0282,11202-Nov-201205:45x64
Dshowrdpfilter.mofNot applicable1,19705-Nov-201001:55Not applicable
Tsmf.dll6.1.7601.22150300,03202-Nov-201205:52x64
Tsmf.mofNot applicable1,23605-Nov-201001:55Not applicable
Rdpendp.dll6.1.7600.21360164,86402-Nov-201205:40x64
Rdpendp.mofNot applicable1,12210-Jun-200920:44Not applicable
Rdpendp.dll6.1.7601.22150167,42402-Nov-201205:51x64
Rdpendp.mofNot applicable1,12205-Nov-201002:01Not 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
Audiodg.exe6.1.7600.21360322,04802-Nov-201203:44IA-64
Audioeng.dll6.1.7600.21360518,65602-Nov-201204:40IA-64
Audiokse.dll6.1.7600.21360339,96802-Nov-201204:40IA-64
Audioses.dll6.1.7600.16385608,25614-Jul-200901:45IA-64
Audiosrv.dll6.1.7600.213601,381,88802-Nov-201204:40IA-64
Prod_audio-audiocore.ptxmlNot applicable1,44213-Jul-200920:47Not applicable
Audiodg.exe6.1.7601.22150322,04802-Nov-201203:33IA-64
Audioeng.dll6.1.7601.22150518,65602-Nov-201204:27IA-64
Audiokse.dll6.1.7601.22150339,96802-Nov-201204:27IA-64
Audioses.dll6.1.7601.22150607,23202-Nov-201204:27IA-64
Audiosrv.dll6.1.7601.221501,381,88802-Nov-201204:27IA-64
Prod_audio-audiocore.ptxmlNot applicable66720-Nov-201004:06Not 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 audio and video playback on a Remote Desktop Session Host (RD Session Host) server, go to the following Microsoft TechNet website:
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

Additional file information for Windows Server 2008 R2

Additional files for all supported x64-based versions of Windows Server 2008 R2
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File nameAmd64_268e5a2cc447c77b6fa7c84f1c368c47_31bf3856ad364e35_6.1.7601.22150_none_39295f5c6679240d.manifest
File versionNot applicable
File size1,100
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameAmd64_2a255e62e398ae8f99a341762c85f240_31bf3856ad364e35_6.1.7600.21360_none_6ccd52b1354e1eec.manifest
File versionNot applicable
File size1,056
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameAmd64_83bed536d8f70b990ef1de86dc471e3f_31bf3856ad364e35_6.1.7601.22150_none_ca271de256cc8513.manifest
File versionNot applicable
File size1,056
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameAmd64_95d4005ed77b39537dc6fccb4808b1a2_31bf3856ad364e35_6.1.7600.21360_none_24f56acdd8194653.manifest
File versionNot applicable
File size1,086
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameAmd64_d75036764dc69c932c976bb44e7b1036_31bf3856ad364e35_6.1.7601.22150_none_07a6a8bfb5d91bf6.manifest
File versionNot applicable
File size1,086
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameAmd64_db3e14e9325b43aebaed13a14a97edd1_31bf3856ad364e35_6.1.7600.21360_none_d5e8c5af7c7a37ac.manifest
File versionNot applicable
File size1,100
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameAmd64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7600.21360_none_d32ed8511762cc30.manifest
File versionNot applicable
File size83,345
Date (UTC)02-Nov-2012
Time (UTC)06:19
PlatformNot applicable
File nameAmd64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22150_none_d520054314811c2b.manifest
File versionNot applicable
File size88,666
Date (UTC)03-Nov-2012
Time (UTC)17:35
PlatformNot applicable
File nameAmd64_microsoft-windows-t..diafoundationplugin_31bf3856ad364e35_6.1.7600.21360_none_d4f333b6e6605c57.manifest
File versionNot applicable
File size26,242
Date (UTC)02-Nov-2012
Time (UTC)06:20
PlatformNot applicable
File nameAmd64_microsoft-windows-t..diafoundationplugin_31bf3856ad364e35_6.1.7601.22150_none_d6e460a8e37eac52.manifest
File versionNot applicable
File size26,539
Date (UTC)02-Nov-2012
Time (UTC)21:02
PlatformNot applicable
File nameAmd64_microsoft-windows-t..ices-rdpsounddriver_31bf3856ad364e35_6.1.7600.21360_none_975861692cc81652.manifest
File versionNot applicable
File size21,135
Date (UTC)02-Nov-2012
Time (UTC)06:21
PlatformNot applicable
File nameAmd64_microsoft-windows-t..ices-rdpsounddriver_31bf3856ad364e35_6.1.7601.22150_none_99498e5b29e6664d.manifest
File versionNot applicable
File size21,135
Date (UTC)02-Nov-2012
Time (UTC)21:02
PlatformNot applicable
File nameWow64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7600.21360_none_dd8382a34bc38e2b.manifest
File versionNot applicable
File size75,377
Date (UTC)02-Nov-2012
Time (UTC)05:18
PlatformNot applicable
File nameWow64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22150_none_df74af9548e1de26.manifest
File versionNot applicable
File size75,265
Date (UTC)02-Nov-2012
Time (UTC)20:33
PlatformNot applicable
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Additional files for all supported IA-64-based versions of Windows Server 2008 R2
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Collapse this tableExpand this table
File nameIa64_780f3d6f4e1028884bf5fc63a0ca8349_31bf3856ad364e35_6.1.7601.22150_none_6b606a06f638233a.manifest
File versionNot applicable
File size1,054
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameIa64_804878e1415e51746c73f3935199b99d_31bf3856ad364e35_6.1.7600.21360_none_a7baea86762b1618.manifest
File versionNot applicable
File size1,054
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameIa64_9f168883797bbfc6b4cc616586f9fb1b_31bf3856ad364e35_6.1.7600.21360_none_f7f58c5ace0eae86.manifest
File versionNot applicable
File size720
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameIa64_b1795168894ae1aad789e9360de543db_31bf3856ad364e35_6.1.7601.22150_none_1644c58d1c6874a1.manifest
File versionNot applicable
File size720
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameIa64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7600.21360_none_7711e0c35f0363f6.manifest
File versionNot applicable
File size87,952
Date (UTC)03-Nov-2012
Time (UTC)17:30
PlatformNot applicable
File nameIa64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22150_none_79030db55c21b3f1.manifest
File versionNot applicable
File size82,335
Date (UTC)02-Nov-2012
Time (UTC)10:41
PlatformNot applicable
File nameWow64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7600.21360_none_dd8382a34bc38e2b.manifest
File versionNot applicable
File size75,377
Date (UTC)02-Nov-2012
Time (UTC)05:18
PlatformNot applicable
File nameWow64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22150_none_df74af9548e1de26.manifest
File versionNot applicable
File size75,265
Date (UTC)02-Nov-2012
Time (UTC)20:33
PlatformNot applicable
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Applies to
  • Windows Server 2008 R2 Service Pack 1
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 Foundation
  • Windows Web Server 2008 R2
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2769791
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