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Home > Success Center > Network Performance Monitor (NPM) > Network Atlas does not start

Network Atlas does not start

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Created by Magdalena.Markova, last modified by MindTouch on Jun 23, 2016

Views: 44 Votes: 2 Revisions: 3


Opening the Network Atlas fails. In the Network Atlas log file, you can find the following error: 

[1] FATAL NetworkAtlas - 
Message: Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089'.


  • Network Atlas on a server with .Net version earlier than .Net 4.5


Upgrade the .Net on the server with Network Atlas to version 4.5 or later.




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