IIS application pool crashes

Posted on 2011-04-19
Last Modified: 2012-05-11
event log events

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

A process serving application pool 'DefaultAppPool' terminated unexpectedly. The process id was '4072'. The process exit code was '0xc0000005'.

A process serving application pool 'DefaultAppPool' suffered a fatal communication error with the World Wide Web Publishing Service. The process id was '5352'. The data field contains the error number.
Question by:mnchandra2009
    LVL 7

    Expert Comment

    If you have an idea of which application is causing this problem, you can go into IIS and set that application up in a different pool. You can also force the pool to restart itself.
    LVL 17

    Accepted Solution

    Basically your code has caused some error in an app/website and caused the whole application pool to error.

    First step as twol says is to isolate the application to a unique pool.

    Then look at the IIS logs of that site for any 500 errors or long running requests.

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