Source : Microsoft.ReportViewer.WebForms Message : The request failed with HTTP status 407: Proxy Authentication Required. Exception : System.Net.WebException: The request failed with HTTP status 407: Proxy Authentication Required. at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.GetSecureMethods() at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.IsSecureMethod(String methodname) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.SetConnectionSSLForMethod(String methodname) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.ProxyMethodInvocation.Execute[TReturn](RSExecutionConnection connection, ProxyMethod`1 initialMethod, ProxyMethod`1 retryMethod) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.LoadReport(String Report, String HistoryID) at Microsoft.Reporting.WebForms.ServerReport.EnsureExecutionSession() at Microsoft.Reporting.WebForms.ServerReport.GetParameters() at ReportViewer.Page_Load(Object sender, EventArgs e) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 64 at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) StackTrace : at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.GetSecureMethods() at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.IsSecureMethod(String methodname) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.SetConnectionSSLForMethod(String methodname) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.ProxyMethodInvocation.Execute[TReturn](RSExecutionConnection connection, ProxyMethod`1 initialMethod, ProxyMethod`1 retryMethod) at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.RSExecutionConnection.LoadReport(String Report, String HistoryID) at Microsoft.Reporting.WebForms.ServerReport.EnsureExecutionSession() at Microsoft.Reporting.WebForms.ServerReport.GetParameters() at ReportViewer.Page_Load(Object sender, EventArgs e) in c:\source\Stratops\FaxESI\HostedFax\MCPSolution\Dev\WebPortal\WebPortal\ReportViewer.aspx.cs:line 64 at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)