For applications using RIA service to work properly on our web server, you must deploy the required dll files .
Follow the steps below:
	- Open your application in Visual Studio
- Right Click on the web project and select Property
- Click References in the Project Property Window
- In the list of References Window
	
		- Double click the System.ServiceModel.DomainServices.EntityFramework entry.  This should bring up the Reference Property Window
- In the Reference Property Windows, configure "Copy Local" to True
 
- Repeat the above process for the following references:
	
		- System.ServiceModel.DomainServices.Hosting
- System.ServiceModel.DomainServices.Server
 
- Click Save
- Follow one of the deployment methods described in this Knowledge Base article
 Article ID: 402, Created: April 26, 2013 at 8:25 AM, Modified: January 4, 2017 at 10:31 PM