Install the Address Validation Service

To validate addresses in your database, you must install the address validation service. To install this service, you must run the Address Validation Install utility. When you install the service, it exposes a Windows Communication Foundation (WCF) endpoint with the application server as a client. Any validation requests from the browser are sent through the application server to the WCF service. After you install the service, you must set up your web server to communicate with the WCF service.