503-Internal Server Error – The Module DLL Failed to Load

Recently while working I faced an issue where the website (IIS 7) was showing 503-Internal Server Error. Checking Event viewer shown following Events for IIS

Complete Event in Event Viewer was

Both the DLL’s which were mentioned in the Event we present in respective Directories but still IIS was not able to detect them. So, to fix the issue

1) Copy “C:/Program_Files/IISAdvanced_Logging/ClientLoggingHandler.dll” and “C:/Program_Files/IIS/Advanced_Logging/AdvancedLoggingModule.dll” to %windir%/System32/

2) Edit C:/Windows/System32/netsrv/config/applicationHost.config and Search for following Lines

and change it to

3) Restart IIS

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Tags: 503 Internal Server Error, AdvancedLoggingModule, applicationHost.config, ClientLoggingHandler, ClientLoggingHandler.dll, Event ID: 2280, IIS 7, Internal Server Error, The data is the error, The Module DLL C:\Program Files\IIS\Advanced Logging\AdvancedLoggingModule.dll failed to load, The Module failed to load