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Article ID: 973062 - Last Review: November 9, 2009 - Revision: 1.0

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Consider the following scenario:
  • You use Remote Desktop Connection Client for Mac 2.0 to make a terminal server session to a computer that is running Windows Server 2008 x64 Edition or Windows Vista x64 Edition.
  • You enable the audio redirection feature on both the server-side computer and the client-side computer.
In this scenario, the audio redirection feature does not work after a terminal server session is made. If you use the same Macintosh client to connect a terminal server that is running Windows Server 2008 x86 Edition, the audio redirection feature works.


Audio redirection feature for the Macintosh clients is not enabled on the x64 editions of Windows Server 2008 or of Windows Vista.


Hotfix information

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

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 Web site: (
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.


To apply this hotfix, the computer must be running one of the following operating systems:
  • Windows Server 2008
  • Windows Server 2008 Service Pack 2 (SP2)
  • Windows Vista Service Pack 1 (SP1)
  • Windows Vista Service Pack 2 (SP2)

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Server 2008 and Windows Vista file information note

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately . 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 (attributes not listed) are signed with a Microsoft digital signature.

For all supported x64-based versions of Windows Server 2008 and of Windows Vista

Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Rdpendp.mofNot Applicable1,12201-Apr-200916:00Not Applicable
Rdpendp.mofNot Applicable1,12203-Apr-200920:43Not Applicable


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


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

Additional file information for Windows Server 2008 and for Windows Vista

Additional files for all supported x64-based versions of Windows Server 2008 and of Windows Vista

Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_microsoft-windows-t..ices-rdpsounddriver_31bf3856ad364e35_6.0.6001.22540_none_97464d75cba07f5c.manifestNot Applicable15,55812-Oct-200915:19Not Applicable
Amd64_microsoft-windows-t..ices-rdpsounddriver_31bf3856ad364e35_6.0.6002.22244_none_9930c085c8c339dc.manifestNot Applicable15,55812-Oct-200914:12Not Applicable
Package_for_kb973062_client_1~31bf3856ad364e35~amd64~~ Applicable1,37514-Oct-200905:18Not Applicable
Package_for_kb973062_client_2~31bf3856ad364e35~amd64~~ Applicable1,54014-Oct-200905:18Not Applicable
Package_for_kb973062_client~31bf3856ad364e35~amd64~~ Applicable1,72214-Oct-200905:18Not Applicable
Package_for_kb973062_server_0~31bf3856ad364e35~amd64~~ Applicable1,41614-Oct-200905:18Not Applicable
Package_for_kb973062_server_1~31bf3856ad364e35~amd64~~ Applicable1,54014-Oct-200905:18Not Applicable
Package_for_kb973062_server~31bf3856ad364e35~amd64~~ Applicable1,72314-Oct-200905:18Not Applicable

  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
kbqfe kbhotfixserver kbsurveynew kbautohotfix kbexpertiseinter kbbug kbfix KB973062
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