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Home > Success Center > Network Performance Monitor (NPM) > Unexpected Website Error: The remote server returned an error:(401) Unauthorized

Unexpected Website Error: The remote server returned an error:(401) Unauthorized

Updated March 14, 2017

Overview

You may get the following error message below when you try to export a web report to Excel or PDF:

Unexpected Website Error

The remote server returned an error: (401) Unauthorized.

 

On the OrionWeb.log, you will find the error below:

ERROR ASP.global_asax - Application_Error (9ed6ab4379e84672862a285a9be35518)
System.Net.WebException: The remote server returned an error: (401) Unauthorized.
    at System.Net.HttpWebRequest.GetResponse()
    at CustomChartData.GetDataSeriesFromWebService(String url, String requestCookie, Dictionary`2 resourceProperties, Dictionary`2 displayDetails, String[] postData)
    at CustomChartData.ProcessRequest(HttpContext context)
    at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
    at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Environment

All NPM versions

Cause 

Forms Authentication is disabled on the Orion website.

 

Resolution

  1. On the Orion server, access the IIS Manager > click the Orion website (SolarWinds NetPerfMon) on the Connections pane.
  2. On the Features view, double-click Authentication.
  3. Click Forms Authentication and click Enable on the Actions pane.
  4. Restart IIS via command prompt or IIS Manager.
  5. Restart all Orion services via Orion Service Manager.

 

Last modified
20:17, 13 Mar 2017

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