[asp.net] IIS7: A process serving application pool 'YYYYY' suffered a fatal communication error with the Windows Process Activation Service

I was debugging the problem for the better part of the day and when I was close to burning the building I discovered the Process Monitor tool from Sysinternals.

Set it to monitor w3wp.exe and check last events before it exits after you fire a request in the browser. Hope that helps further readers.

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