The original NetBEUI files are 32-bit. While they often work on 64-bit versions of Windows 7, stability on 64-bit Windows 11 is significantly lower. If the protocol does not start, ensure that no third-party firewalls are blocking non-IP traffic. Security Considerations

Many users attempt to port the NetBEUI drivers from a Windows XP installation CD. While this worked for XP, success on Windows 7 and later is highly inconsistent and often results in "Group Policy" or driver compatibility errors. Driver Files Required %SYSTEMROOT%\System32\Drivers netnbf.inf %SYSTEMROOT%\Inf Activation Network Connection Properties from the list (if it appears). Practical Workarounds for Modern Systems