http://blogs.msdn.com/b/eugeniop/archive/2011/04/02/authentication-in-wp7-client-with-rest-services-part-ii.aspxIn the previous post I covered the “semi-passive” way for authentication between a Windows Phone 7 client and a REST service. This post completes the information with the “active” way. There’s nothing unexpected here really: We call the Identity Provideren-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)