topic error 407 proxy authentification required in ArcGIS API for Silverlight Questions https://community.esri.com/t5/arcgis-api-for-silverlight-questions/error-407-proxy-authentification-required/m-p/7893#M141 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>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.</SPAN><BR /><BR /><SPAN>Do you have any ideas how i can fix this problem?</SPAN><BR /><BR /><BR /><SPAN>Greetings,</SPAN><BR /><SPAN>RAGthommy</SPAN></BODY></HTML> Wed, 12 May 2010 09:49:29 GMT thomaskoslowski 2010-05-12T09:49:29Z error 407 proxy authentification required https://community.esri.com/t5/arcgis-api-for-silverlight-questions/error-407-proxy-authentification-required/m-p/7893#M141 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>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.</SPAN><BR /><BR /><SPAN>Do you have any ideas how i can fix this problem?</SPAN><BR /><BR /><BR /><SPAN>Greetings,</SPAN><BR /><SPAN>RAGthommy</SPAN></BODY></HTML> Wed, 12 May 2010 09:49:29 GMT https://community.esri.com/t5/arcgis-api-for-silverlight-questions/error-407-proxy-authentification-required/m-p/7893#M141 thomaskoslowski 2010-05-12T09:49:29Z Re: error 407 proxy authentification required https://community.esri.com/t5/arcgis-api-for-silverlight-questions/error-407-proxy-authentification-required/m-p/7894#M142 <HTML><HEAD></HEAD><BODY><SPAN>Do you use secured services? If so, you need to add a proxy or token into your project. There is one topic under </SPAN><A href="http://resources.esri.com/help/9.3/arcgisserver/apis/silverlight/help/index.html">http://resources.esri.com/help/9.3/arcgisserver/apis/silverlight/help/index.html</A><SPAN> called Secure services under using ArcGIS Server talking this issue.</SPAN><BR /><BR /><SPAN>Or, have you add clientaccesspolicy.xml and crossdomain.xml under your web server. This files are required for your websites.</SPAN></BODY></HTML> Wed, 12 May 2010 21:10:02 GMT https://community.esri.com/t5/arcgis-api-for-silverlight-questions/error-407-proxy-authentification-required/m-p/7894#M142 weiliang 2010-05-12T21:10:02Z