Microsoft KB Archive/226131

= Problems with Integrated Network Adapter and Second Network Adapter After Windows 2000 Upgrade =

Article ID: 226131

Article Last Modified on 10/30/2006

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APPLIES TO


 * Microsoft Windows 2000 Professional Edition

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This article was previously published under Q226131



SYMPTOMS
After you install Windows 2000 on a computer with an integrated network adapter that has been disabled in the Basic Input/Output System (BIOS) and a second network adapter in a PCI slot, you may experience one of the following symptoms:
 * You may experience loss of network connectivity.
 * Both network adapters may appear to be functional and active at the same time.



CAUSE
This issue can occur if your BIOS does not correctly simulate a disabled state for the integrated network adapter. An integrated PCI network adapter cannot be truly disabled by the BIOS. Because of this, Windows 2000 may still detect it and try to install drivers for it, and this may not work if the BIOS has turned off power to the integrated device.



RESOLUTION
To resolve this issue, contact the manufacturer of your computer or motherboard to inquire about the availability of a fix for this issue.

To work around this issue, disable the integrated network adapter in Device Manager.



STATUS
This behavior is by design.

Keywords: kbhardware kbnetwork kbnofix kbprb KB226131

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