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Asked: 2026-05-29T04:18:39+00:00

I have an AppPool which keeps crashing, initially with the below errors in the

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I have an AppPool which keeps crashing, initially with the below errors in the System event log:

A process serving application pool ‘X’ suffered a fatal communication error with the Windows Process Activation Service. The process id was ‘Y’. The data field contains the error number.

And after a few of those, the AppPool is stopped and the below error is in the System event log:

Application pool ‘X’ is being automatically disabled due to a series of failures in the process(es) serving that application pool.

I’ve downloaded and installed v1.2 of Debug Diagnostic tools, and setup a Crash Rule for all IIS related processes but nothing is logging. I have read that this only works for apps running in 32 bit mode?

What other options do I have to find out the cause of this app crash?

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1 Answer

  1. Editorial Team

    ADPlus works with 64bit processes

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