Hi, I just wanted to start building an Silverlight Application with the ArcGIS Api and went through the "Getting Started" Section of the Esri Homepage. So i installed Expression Blend 3 and the Silverlight Api, and startet to build an Application that just shows an Ersi Map vom ArcGIS Online. But everytime i try to add a Layer or Server the Message "Error 407 Proxy Authentification required" appears. Do you have any ideas how i can fix this problem? Greetings, RAGthommy
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