Network Management

HTTP 404 error when viewing Discovery Central

An HTTP 404 is returned on the Orion Web Console after a fresh installation of NPM.

First published date

10/12/2018 3:19 PM

Last published date

2/25/2025 10:41 PM

Overview

The following error appears in Settings > Discovery Central on the Orion Web Console after a fresh installation of Orion.

Server Error in '/' Application The resource cannot be found. Description: HTTP 404. The 
resource you are looking for (or one of its dependencies ) could have been removed, had its 
name changed, or is temporarily unavailable. Please review the following URL and make sure 
that it is spelled correctly. Requested url : /orion/admin/discoverycentral.aspx 


Sample Image,

image.png

 

 
 

Product section

Network Performance Monitor

Cause

Another website is using the same port, often the default website bound to port 80.

Resolution

 
  1. A stopped website that is no longer required. See Start and Stop Individual Web Sites in IIS  (© 2021 Microsoft, available at https://microsoft.com, obtained on August 15, 2021).
  2. Change the bindings on SolarWinds NetPerfMon, or the other website, using the Add or Edit Site Binding Dialog Box (© 2019 Microsoft, available at https://microsoft.com, obtained on January 17, 2019) and set the following options:
    • IP address: All Unassigned
    • Port: 80
  3. Restart SolarWinds NetPerfMon. The error should no longer appear in Settings > Discovery Central.