Enabling Failed Request Tracing

Occasionally I get questions on how to troubleshoot intermittent issues in IIS.  One example is an intermittent 500 status code and another example is a slow page load.  In IIS7 and later there is a simple module that you can install as part of IIS called Failed Request Tracing (FREB). Using Failed Request Tracing you can easily configure it to

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FREB: LOG_FILE_MAX_SIZE_TRUNCATE

I was troubleshooting an issue today using Failed Request Tracing (FREB) and I kept getting LOG_FILE_MAX_SIZE_TRUNCATE before I could find the root cause of the issue. I came across a post with information on how to change the default size of the FREB log file and find the issue. cd /d “%windir%\system32\inetsrv” appcmd set config /section:sites -siteDefaults.traceFailedRequestsLogging.maxLogFileSizeKB:1024 You will note

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