In this post, you’ll learn more about the Windows Socket Error WSAEPROTONOSUPPORT
10043 returned by the WSAGetLastError function in Windows as well a quick description about the error
Windows Socket Error Code
WSAEPROTONOSUPPORT
10043
Windows Socket Error Description
Protocol not supported.
The requested protocol has not been configured into the system, or no implementation for it exists. For example, a socket call requests a SOCK_DGRAM socket, but specifies a stream protocol.