Today I tried to access a WorkflowService hosted in IIS on Windows 7, and got this nice little error message:
Error: Cannot import wsdl:portType
Detail: An exception was thrown while running a WSDL import extension: System.ServiceModel.Description.DataContractSerializerMessageContractImporterError: Schema with target namespace ‘’ could not be found. XPath to Error Source: //wsdl:definitions[@targetNamespace=’’]/wsdl:portType[@name=’IService’]
[… lot more stuff ]
Warning: No code was […]