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Event ID: 1012 Source: W3SVC

Source
Level
Description
A process serving application pool "DefaultAppPool" exceeded time limits during start up. The process id was "<PID>".

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: b4 05 07 80 ..
Comments
 
ME919790 and ME919792 provides information on how to use the IIS Debug Diagnostics tools in order to troubleshoot various IIS issues.
EV100508 (Process Model Settings for an Application Pool) provides details about various IIS application pool settings, including the process startup timeout.
This problem might occur because ASP.NET limits the number of worker threads and completion port threads that a call can use to execute requests. When you make calls to XML Web services from an ASP.NET application, you may experience contention, poor performance, and deadlocks. Clients may report that requests stop responding (or "hang") or take a very long time to execute. If a deadlock is suspected, the worker process may be recycled. See ME821268 for information on troubleshooting this problem.

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