Users who have the remote audio setting enabled cause the RD Session Host servers to freeze intermittently in Windows Server 2012 R2 or Windows Server 2008 R2 SP1

Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 EssentialsWindows Server 2012 R2 Foundation More

Symptoms


Consider the following scenario:

  • You set up a Remote Desktop Connection Broker (RD Connection Broker), and you create a load-balanced Remote Desktop (RD) Session Host server farm. The servers in the farm are running Windows Server 2012 R2 or Windows Server 2008 R2 Service Pack 1 (SP1).
  • You configure Audio and Video Playback on the RD Session Host servers.
  • Users connect to the RD Session Host servers, and they have the remote audio setting enabled. 
In this situation, the RD Session Host servers freeze intermittently.

Resolution


To resolve this issue in Windows Server 2012 R2, install update 2919355.
To resolve this issue in Windows Server 2008 R2, install the hotfix that is described in this article.

Update information for Windows Server 2012 R2

For more information about how to obtain update 2919355, click the following article number to view the article in the Microsoft Knowledge Base:
2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014


Hotfix information for Windows Server 2008 R2

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: 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 one of the following operating systems:
  • Windows Server 2008 R2 Service Pack 1 (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 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 might have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 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
File propertyValue
File nameAmd64_472e5f49338051c38b9e6d8300d20cc2_31bf3856ad364e35_6.1.7601.22504_none_b0705eceb214effa.manifest
File versionNot applicable
File size1,056
Date (UTC)7-Nov-13
Time (UTC)15:21
PlatformNot applicable
File nameAmd64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22504_none_d55a1d9f1454ea6e.manifest
File versionNot applicable
File size88,666
Date (UTC)7-Nov-13
Time (UTC)15:28
PlatformNot applicable
File nameWow64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22504_none_dfaec7f148b5ac69.manifest
File versionNot applicable
File size75,265
Date (UTC)7-Nov-13
Time (UTC)8:49
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File propertyValue
File nameIa64_8ff32fc0dd126b503664a50ab4c3edc3_31bf3856ad364e35_6.1.7601.22504_none_466fdd3f72fc6f92.manifest
File versionNot applicable
File size1,054
Date (UTC)7-Nov-13
Time (UTC)15:21
PlatformNot applicable
File nameIa64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22504_none_793d26115bf58234.manifest
File versionNot applicable
File size82,335
Date (UTC)7-Nov-13
Time (UTC)8:36
PlatformNot applicable
File nameWow64_microsoft-windows-audio-audiocore_31bf3856ad364e35_6.1.7601.22504_none_dfaec7f148b5ac69.manifest
File versionNot applicable
File size75,265
Date (UTC)7-Nov-13
Time (UTC)8:49
PlatformNot applicable