<rsweb:ReportViewer id="rvwAnexoTransaccional" runat="server" InternalBorderColor="White"
                                        BorderColor="White" BackColor="White" ShowRefreshButton="False" ShowPromptAreaButton="False"
                                        ShowPrintButton="False" ShowParameterPrompts="False" Height="1903px" Width="1004px"
                                        ProcessingMode="Remote">
                                    </rsweb:ReportViewer>

System.Configuration.ConnectionStringSettingsCollection rootWebConfig = System.Web.Configuration.WebConfigurationManager.ConnectionStrings;
        string strCadenaCon = rootWebConfig["ReportServer"].ConnectionString.ToString();
        Uri reportUrl = new Uri(strCadenaCon.ToString());

        rvwAnexoTransaccional.ServerReport.ReportServerUrl = reportUrl;
        rvwAnexoTransaccional.ServerReport.ReportPath = new Parametros_BusinessLogic().ReportProject + "AnexoTransaccional";
        rvwAnexoTransaccional.ServerReport.SetParameters(parameters);
        rvwAnexoTransaccional.ServerReport.Refresh();

----------------------------------------
----------------------------------------
HandlingInstanceID: 29b0c977-b11a-4c81-9e3c-311e77c0af17
An exception of type 'System.Net.WebException' occurred and was caught.
-----------------------------------------------------------------------
05/22/2019 12:58:33
Type : System.Net.WebException, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Message : The remote server returned an error: (403) Forbidden.
Source : System
Help link :
Status : ProtocolError
Response : System.Net.HttpWebResponse
Data : System.Collections.ListDictionaryInternal
TargetSite : System.IO.Stream GetRequestStream(System.Net.TransportContext ByRef)
HResult : -2146233079
Stack Trace :    at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context)
   at System.Net.HttpWebRequest.GetRequestStream()
   at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
   at Microsoft.Reporting.WebForms.Internal.Soap.ReportingServices2005.Execution.ReportExecutionService.ListSecureMethods()
   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.ServerReport.EnsureExecutionSession()
   at Microsoft.Reporting.WebForms.ServerReport.SetParameters(IEnumerable`1 parameters)
   at Reportes_AuditoriaTransaccional.imbBuscar_Click(Object sender, ImageClickEventArgs e)
   at System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e)
   at System.Web.UI.WebControls.ImageButton.RaisePostBackEvent(String eventArgument)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Additional Info:

MachineName : USQASWSPC000160
TimeStamp : 22/5/2019 16:58:33
FullName : Microsoft.Practices.EnterpriseLibrary.ExceptionHandling, Version=3.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
AppDomainName : /LM/W3SVC/1/ROOT/SCF2-6-132029525861419819
ThreadIdentity : scfec
WindowsIdentity : IIS APPPOOLDefaultAppPool