Iis Application Pool Error
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application pool fails. The autoShutdownExe, orphanActionExe, rapidFailProtection attributes of the
Iis Application Pool Stops Unexpectedly
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1, 20133 Share 0 0 There are many reasons why an application pools' worker process (W3WP.exe) could be behaving badly. The best approach iis rapid fail protection best practices is to capture some memory dumps during the problem situation the module dll c:\windows\system32\inetsrv\rewrite.dll failed to load. the data is the error. and then analyze them. The problem with that is the root cause is not always obvious,
Iis Event Log
even after many hours of analysis and investigation. An alternative to memory dump analysis, or maybe a prequel, is to capture and analyze the behavior of the https://www.iis.net/configreference/system.applicationhost/applicationpools/add/failure worker process. One of the simplest actions to monitor the application pool is to open up Task Manager and look at the PID of the W3WP.exe process, as illustrated in Figure 1. Figure 1, the w3wp.exe PID Write down the PID in the morning and then come back a few times during the https://blogs.msdn.microsoft.com/benjaminperkins/2013/07/01/troubleshooting-badly-behaving-iis-application-pools/ day to see if the process is restarting. When/if the worker process restarts, it will get a new PID. If you do notice that the worker process is being restarted, consider using the “Generate Recycle Event Log Entry” features available via the Advanced Settings… window for the given application pool. Figure 2 shows the default settings on a Windows Server 2012 IIS 8 machine. Figure 2, The Generate Recycle Event Log Entry settings During the troubleshooting phase you might consider enabling all of the attributes to be certain that you capture as much information as possible. However, once you complete your troubleshooting phase, consider disabling the ones you do not find useful inyour environment. The description of these attributes are described in the below bulleted list. Application Pool Configuration Changed - Event is logged when the application pool recycles due to a change in its configuration ISAPI Report Unhealthy - Event is logged because an ISAPI extensi
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