This article was previously published under Q146333
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Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows registry
Occasionally you may not be able to remove a network adapter using theremove button in Control Panel\Network. If this happens you can removethe registry keys for that adapter.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
Start Registry Editor (REGEDT32.EXE).
subtree remove the following subkeys:
\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\NetworkCards\# (If only one adapter is loaded, # will be 1)
Microsoft Windows NT Workstation 3.5, Microsoft Windows NT Workstation 3.51, Microsoft Windows NT Workstation 4.0 Developer Edition, Microsoft Windows NT Server 3.5, Microsoft Windows NT Server 3.51, Microsoft Windows NT Server 4.0 Standard Edition