In this post, you’ll learn more about the Windows Socket Error WSA_QOS_ESERVICETYPE
11016 returned by the WSAGetLastError function in Windows as well a quick description about the error
Windows Socket Error Code
WSA_QOS_ESERVICETYPE
11016
Windows Socket Error Description
QoS service type error.
An invalid or unrecognized service type was found in the QoS flowspec.