JSI Tip 6613. 'An operation was attempted on something that is not a socket'?

Microsoft Knowledge Base Article 817571 contains the following SYMPTOMS:

When you try to connect your computer to a network, you may receive the following error message:

An operation was attempted on something that is not a socket.

This symptom occurs on a computer that obtains an IP address from a Dynamic Host Configuration Protocol (DHCP) server. If you assign a static IP address to your computer, you do not receive this message.