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Microsoft KB Archive/247285

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Knowledge Base

Netdiag Utility Reports Incorrect Adapter Information

Article ID: 247285

Article Last Modified on 11/1/2006


  • Microsoft Windows 2000 Professional Edition

This article was previously published under Q247285


When you configure an AMD PCnet Ethernet Family PCI network adapter for 100 megabytes per second (MBps)/Half Duplex and connect it to a Cisco 100 MBps hub, the NetDiag utility on your computer incorrectly reports the media speed as 10 MBps, as does the network connection icon on the taskbar.

This occurs when you run Microsoft Windows 2000 Professional on an IBM Netfinity 5500 server.


Microsoft has confirmed that this is a problem in Microsoft Windows 2000 Professional.


The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Additional query words: network media speed

Keywords: kbbug kbpending KB247285