I decided to set the NetBIOS over TCP/IP to disabled this time and it had the same effect as enabling it. The conclusion is that changing it from default fixes the issue regardless of which other ...

NetBIOS is needed for file and print sharing. However, it can run over TCP/IP, IPX, or NetBUI.

For those running unsupported versions of Windows, such as XP, the researcher recommended disabling NetBIOS over TCP/IP. Microsoft has step-by-step guidance for just that on its TechNet site.

Windows PCs are integrated into an IP network using NetBIOS over TCP/IP, which supports the Windows system for assigning names to machines. See TCP/IP and legacy network.