In this post, you’ll learn more about the Windows Socket Error WSA_QOS_POLICY_FAILURE
11011 returned by the WSAGetLastError function in Windows as well a quick description about the error
Windows Socket Error Code
WSA_QOS_POLICY_FAILURE
11011
Windows Socket Error Description
QoS policy failure.
The QoS request was rejected because the policy system couldn’t allocate the requested resource within the existing policy.