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(227971) - After you upgrade from Microsoft Windows NT 4.0 with a legacy audio device installed, the sound card works but the legacy Windows NT 4.0 driver is still listed under Legacy Audio Drivers in Device Manager.

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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks
Article ID: 227971 - Last Review: February 27, 2007 - Revision: 3.4

Legacy Audio Drivers Listed in Device Manager After Upgrade

View products that this article applies to.
System TipThis article applies to a different version of Windows than the one you are using. Content in this article may not be relevant to you. Visit the Windows Vista Solution Center
This article was previously published under Q227971
Notice
This article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center (http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fwin2000) is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy (http://support.microsoft.com/lifecycle/) .

SYMPTOMS

After you upgrade from Microsoft Windows NT 4.0 with a legacy audio device installed, the sound card works but the legacy Windows NT 4.0 driver is still listed under Legacy Audio Drivers in Device Manager.
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CAUSE

Setup does not correctly process the removal of legacy devices from the Wdmaudio.inf file. There should be no problem with the operation of the device even though the legacy device drivers are loaded.
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RESOLUTION

To resolve this issue, manually remove the legacy device drivers from Device Manager.
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
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APPLIES TO
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
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Keywords: 
kbhardware kbprb kbsound KB227971
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