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Unexpected Website Error: The given key was not present in the dictionary on NTA Page

Updated December 26, 2018

Overview

This article describes how to repair the following error in NTA:

 

2018-12-26_17-26-12.png

Environment

  • NTA 4.2.3
  • NTA 4.4
  • NTA 4.5

Cause

  • You have a different version of NTA on your servers
  • NTA cannot detect the version installed on your FSDB

Resolution

 

You have 2 options:

 

  1. Upgrade NTA to the latest version compatible with your NPM version.
    • This requires a separate SQL Server 2016
    • Old NTA data will not be used or migrated
    • Old NTA FSDB server will not be used anymore and will be replaced with SQL Server 2016 
  2. Install NTA 4.2.3 on all your servers.
    • This will retain the old NTA FSDB server but will upgrade to NTA 4.2.3
    • Old NTA data will be used
    • No need to install SQL 2016 server as your NTA FSDB server

 

 

 

Additional Reference:

NTA 4.4 faq

NTA 4.4 System Requirements

 

 
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