ApplicationPool in IIS 7.5 crashes with identifty set to NetworkService

Posted by Ravi on Server Fault See other posts from Server Fault or by Ravi
Published on 2011-01-13T09:36:28Z Indexed on 2011/01/13 9:55 UTC
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We have a web application running on IIS 7.5 with the identity of the Custom Application Pool set to NetworkService. This was working fine for some days and now the application pool has gone in to a stopped state. The following error message is displayed in the Event Viewer

Faulting application name: w3wp.exe, version: 7.5.7600.16385, time stamp: 0x4a5bcd2b
Faulting module name: ntdll.dll, version: 6.1.7600.16559, time stamp: 0x4ba9b29c
Exception code: 0xc0000005
Fault offset: 0x00038c19
Faulting process id: 0xa28
Faulting application start time: 0x01cbb2e5707aa2b2
Faulting application path: C:\Windows\SysWOW64\inetsrv\w3wp.exe
Faulting module path: C:\Windows\SysWOW64\ntdll.dll
Report Id: ae3f0610-1ed8-11e0-abf8-000c297f918f

We are able to start the application pool only after changing the identity to LocalSystem.

Why does the application pool fails to run with identity set to NetworkService. Can any one help us resolving this issue?

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