Windows Authentication is a great way to provide authentication
security in your WCF services. With the WSHttpEndpoing and a .NET 3.0+
client Windows Authentication works right out of the box with WCF,
everything is just peachy. However, if you want to use the
BasicHttpBinding for .NET 2.0 client backward compatibility then it is
going to require a bit of configuration for both the clients &
server.
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Aaron
http://www.churchofficeonline.com