IISExpress Log File Location

iisiis-express

IISExpress writes log and configuration data to pre-determined location out of the box.

The directory is an "IISExpress" directory stored in a user's Documents directory.

In the directory is stored the following folders files underneath.

  • Config
  • Logs
  • TraceLogFiles

The location of my home directory is on a network share, determined by group policy

Currently we are encountering scenarios where visual studio locks up when stopping debugging Silverlight applications using IIS Express.

I was looking to change the location for the log & configuration data for IISExpress to see if this fixes the problem of visual studio locking up. Is it possible to change the default location of log & config files ?

Best Answer

1 . By default applicationhost.config file defines following two log file locations. Here IIS_USER_HOME would be expanded as %userprofile%\documents\IISExpress\.

<siteDefaults>
<logFile logFormat="W3C" directory="%IIS_USER_HOME%\Logs" />
<traceFailedRequestsLogging directory="%IIS_USER_HOME%\TraceLogFiles" enabled="true" />
</siteDefaults>

You can update above directory paths to change the log file locations.

2 . If you are running IIS Express from command line, you can use '/config' switch to provide configuration file of your choice. Following link may help you http://learn.iis.net/page.aspx/870/running-iis-express-from-the-command-line/

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