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RSS Viewer webpart error

Posted By:      Posted Date: September 03, 2010    Points: 0   Category :SharePoint
 
Hi, I am trying to add RSS feed to RSS viewer webpart, I got the following error ProtocolError occured trying to complete the request. The server returned a status code of : ProxyAuthenticationRequired and the status description is : "Proxy Authentication Required" Please any one can help me Thanks


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