Microsoft KB Archive/167632

= MCA Network Adapter Fails After Applying Windows NT 4.0 SP2 =

Article ID: 167632

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q167632



SYMPTOMS
After you apply Windows NT version 4.0 Service Pack 2 to a computer with a Micro Channel Architecture (MCA) network adapter, you may receive the following error message:

At least one service or driver failed during system startup. Use Event Viewer to examine the event log for details.

When you look at the event log, you see the following entry:

  Event ID: 7000 Source: Service Control Manager Description: A device connected to the system is not functioning.

After you log on to the computer, you may have no network access through the MCA network adapter.



CAUSE
The Ndis.sys device driver in Service Pack 2 fails to detect any network cards installed in MCA slots 8 or higher. Network cards installed in slots 1 through 7 are detected by Windows NT and function normally.



RESOLUTION
If the MCA network adapter was working fine prior to installing Service Pack 2, you can rename the Ndis.sys file found in the %systemroot%\System32\Drivers directory and use the Expand utility to expand the Ndis.sys from the compact disc or copy the Ndis.sys file from the service pack uninstall $NtServicePackUninstall$ directory and reboot.

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You can physically move the affected network adapter to a lower MCA slot number in order for the Service Pack 2 Ndis.sys driver to use it.

You usually must re-run the Micro Channel configuration utility to Update your computer's configuration after moving the MCA network adapter to a different slot. Consult your computer manufacturer's user guide for complete instructions.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: sp2

Keywords: kbbug kbnetwork KB167632

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