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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Error: Server error in '/' Application, Could not load file or assembly 'AjaxControlToolkit'

Error: Server error in '/' Application, Could not load file or assembly 'AjaxControlToolkit'

Created by Adrian Cook, last modified by MindTouch on Jun 23, 2016

Views: 2,772 Votes: 2 Revisions: 5

Overview

This article provides steps to resolve the following Orion Web Console error:

Server error in '/' Application, Could not load file or assembly 'AjaxControlToolkit'

Environment

All NPM versions

Resolution

1. Stop all Orion services.

2. Open Task Manage and stop the IIS worker process w3wp.exe.

3. Go to the following directories and delete any files in them:

  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files
  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files
  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files
  • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files

4. Restart all Orion services. 

Note: Rebooting may take about 5-10 minutes but you should be able  to get back to the website without any issues. 

 

If the given steps do not work, run a repair on .NET Framework 4 client.

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