You cannot use a Microsoft Network Monitor trace to capture frames on a Microsoft Windows Server 2003-based computer that has multiple processors

You cannot use a Microsoft Network Monitor trace to capture frames on a Microsoft Windows Server 2003-based computer that has multiple processors. This symptom occurs when many frames are being sent from the computer that is running the Network Monitor trace.

This problem is caused by a software defect in the Nmnt.sys file. The Nmnt.sys file is used by Network Monitor to capture frames.

To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article. This problem was corrected in Windows Server 2003 Service Pack 1.

For more information about the standard terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base: