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Home Problem Issue Error Application pool ‘abc’ suffered a fatal communication error with the Windows Process Activation Service

Application pool ‘abc’ suffered a fatal communication error with the Windows Process Activation Service

I receive the System Warning more frequently: “A process serving application pool ‘abc’ suffered a fatal communication error with the Windows Process Activation Service. The process id was ‘4864’. The data field contains the error number.”.

I am running an ASP.NET Framework 4 web application on IIS 7 on Windows Server 2008. When access to the website, it raise error message: ‘HTTP Error 503. The service is unavailable.’.

To temporary fix the issue, I have to go to the Internet Information Services (IIS) Manager to start my Application Pool again.

Currently, I’m working around with some resources below:

  • How to use the Debug Diagnostics tool to troubleshoot a process that has stopped responding in IIS
  • How to use the IIS Debug Diagnostics tool to troubleshoot a memory leak in an IIS process
  • How to use the Debug Diagnostics Tool to troubleshoot high CPU usage by a process in IIS

And checking others IIS Application Pool Availability Events

Jun 9, 2011Hoan Huynh
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Hoan Huynh

Hoan Huynh is the founder and head of 4rapiddev.com. Reach him at [email protected]

9 years ago Problem Issue ErrorApplication Pool, IIS 7, web server869
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