How to attach a debugger from the creation time of the Worker Process (w3wp.exe)

Normally the answer for this would be as simple as use the file image execution options (through direct editing the registry or using gflags.exe from Debugging Tools For Windows) and set the “debugger” option to you preferred debugger tool and this would do the job.  At least this is the way we do for troubleshooting…

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Real case: Application Pool’s worker process (w3wp.exe) crashing during recycling

I was teaching a workshop in London last week and one of the students brought a very interesting issue he had been working on for some time and based on the dump analysis he was not able to point to anything different from our own code (Microsoft’s modules) as the ones causing the crash.  He…

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