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Exception of WSHttpBinding with name WSHttpBinding failed validation?

"The WSHttpBinding with name WSHttpBinding failed validation because it contains a BindingElement with type System.ServiceModel.Channels.SymmetricSecurityBindingElement which is not supported in partial trust. Consider disabling the message security and reliable session options, using BasicHttpBinding, or hosting your application in a full-trust environment."
  1. In the web.config for the WcfService1 project, change the endpoint binding form the default wsHttpBinding to basicHttpBinding. Look under configuration/system.serviceModel/services/service and you will see the endpoint element
  2. Open the project properties page for the WcfService1 project.
  3. Set the "Secific port" property so an available port number. This will prevent issues later on.
  4. Under the "Web" section (look to the immediate left), change the "Specific Page" value to ClientBin/WpfBrowserApplication1.xbap
  5. Open the WcfService1 project properties page
  6. You need to perform on of these steps so you can reference the XBAP via the http://localhost path.
    1. Under the Build Events section, set the Post-build event command line so it copies all of the output file to a folder within the WcfService1 project's root directory. In my sample, I created a folder called ClientBin and used XCOPY to copy all of the output file to ClientBin.
    2. A simpler way to go is to change the Output path property under the Build section to a folder called ClientBin within the WcfService1 project's root folder.
  7. Consume the Service1.svc service in the WpfBrowserApplication1 like you normally would and make a call to the GetData method. The somplest way to do this is to create a button in the Page1.xaml form and make the call in its Click event. Make sure to output the return value of the service call to a MessageBox or something so you can know that the call succeeded.
  8. Set the WcfService1 project as the StareUp project.
  9. Hit F5, click the button and you are done.

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