10.07.2018 WCF Unrecognized message version.
 
в wdsl xmlns:soap12bind="http://schemas.xmlsoap.org/wsdl/soap12/" то есть SOAP1.2

в коде
return Message.CreateMessage(reader, maxSizeOfHeaders, MessageVersion);

System.ServiceModel.CommunicationException: 'Unrecognized message version.'
В отладчике
MessageVersion.Envelope {Soap12 (http://www.w3.org/2003/05/soap-envelope)}

проект
https://github.com/dsalodki/INNsearch.git