To validate a service interface
 
          
         
          
            	  
            	 
             
               		
               - From the 
                  		  Solution Explorer, right-click the service interface you want to validate, and click 
                  		  Validate. Errors are reported in the 
                  		  Error List window. 
                  		
               
  
               		
               - If an error is reported: 
                  		  
                  
 
                     			 
                     - Double-click the error to open the 
                        				Interface Mapper. 
                        			 
                     
  
                     			 
                     - Correct the error.
                        			 
                     
 
                     			 
                     - Close the Interface Mapper. 
                        			 
                     
  
                     			 
                     - Repeat this process until the 
                        				Error List window shows the message "The service mappings are valid."