Application Pool Stops automatically

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Hello Guys,

I have a website which hosted on windows 2008 server and .net framework 2.0. There are many websites but one website's application fool stops suddenly and i don't even know untill i browse the website and this happening every 10 days or 5 days sometimes 20 days or more.
How to find out why it is stopping on its own , and is there a way i add something to my application or to the IIS , so i recieve a email, when the application pools stops.

Thanks guys.

Posted 13-Nov-11 21:12pm

shekhardumala

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Timberbird 14-Nov-11 3:19am

Have you checked Event Log and IIS log files? Are there any errors that may refer to the application pool's work?

shekhardumala 14-Nov-11 4:00am

Yes, I found nothing in the logs.

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RaisKazi · Answer 1 · 2011-11-13T21:28:00

IIS stops Application-Pool when number of failures(related to that Application-Pool) exceeds value of "Maximum Failures" Property set into the "Advanced Settings" of that Application-Pool. You may review cause of failures of your Application in "Event Viewer" of the Server.

Ideally you should rectify cause of your application failures and fix them, If you do not want your IIS to stop your Application-Pool then you may follow below steps.

1) Open IIS.
2) Right click on your Application-Pool and select "Advanced Settings".
3) Set "Rapid-Fail Protection" -> "Enabled" to False.

Vamsi Rageer · Answer 2 · 2013-11-11T09:46:00

While there may be several reasons why this may occur, in this specific case, the 503 error was occurring because the Application pool failed to start. This was because the password was changed recently for the Identity under which the application pool was trying to run. Fix was to go to the IIS Manager-> Application Pool -> Advanced Settings -> Process Model -> Identity and set the password to the new one.

It would also help to check the Event Viewer Logs(Event Viewer (Local) -> Windows Logs -> Application to look for specific causes of failure before proceeding to troubleshoot any further.

Prerak Patel · Answer 3 · 2011-11-13T21:20:00

Solution 1

http://weblogs.asp.net/nannettethacker/archive/2009/01/08/windows-2008-and-iis7-application-pool-stopped.aspx[^]

You should check if IIS process stops unexpectedly.
http://support.microsoft.com/kb/919789/en[^]

Posted 13-Nov-11 21:20pm

Prerak Patel

Application Pool Stops automatically

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