In this post, you’ll learn more about the Windows Socket Error WSA_QOS_RESERVED_PETYPE
11031 returned by the WSAGetLastError function in Windows as well a quick description about the error
Windows Socket Error Code
WSA_QOS_RESERVED_PETYPE
11031
Windows Socket Error Description
Reserved policy QoS element type.
A reserved policy element was found in the QoS provider-specific buffer.