Check out this video demonstration of how to create and use a client access policy in Microsoft Silverlight using Visual Studio 2010. Client access policies are necessary when Microsoft Silverlight makes a call to a website other than the site the Microsoft Silverlight application originates from.

To view the video in full screen mode (recommended), press the “F” key on your keyboard or hover over the lower left of the player and click on full screen icon as shown in the following image:

Microsoft Silverlight client access policies are covered in our Comprehensive Microsoft Silverlight 4 course.