Failed Request Tracing XML fails to display in Internet Explorer (IIS 7.5)

by pilau   Last Updated November 04, 2015 06:00 AM

I have installed the Tracing feature and enabled failed request tracing for a website, to debug a Classic ASP website. The XML logs are created upon occurring errors, however when I open them in IE, instead of getting the nice blue interface I get a massive amount of code/text.

Why doesn't the interface load and how can I fix it?

Answers 4

I found out I was missing the freb.xsl file, so I downloaded one from here (link at the bottom of the page):

Hope someone will find this helpful. :)

June 11, 2012 06:15 AM

If the freb.xsl file is missing from the directory that contains the log files, then the nice interface won't show. Rather than trying to find a website with the latest freb.xsl, I found on this page:

that if you just delete the directory that the xml files are being written to (likely something like C:\inetpub\logs\FailedReqLogFiles\W3SVC1), then IIS will automatically recreate the directory and write the freb.xsl file when it next creates the next log file.

Wesley Smith
Wesley Smith
October 31, 2013 17:20 PM

I had the same problem on a fresh install of Windows 2012. However, the freb.xsl file was present in the same folder as the event XML file.

To get it to show the 'nice interface' I had to add "about:internet" to the IE11 trusted sites list, as discussed here:

December 16, 2013 14:31 PM

I got the failed request trace to display in IE (and it doesn't work on chrome) by pointing an IIS website at the folder and open it in IE - version 11 - from there.

Other things I tried before this was

  1. add about:internet to trusted sites
  2. to run in compatibility mode.

I am certain this has to do with security settings and there is probably an easier way of getting this to work without IIS. I go with the path of least resistance on this one.

June 20, 2015 11:59 AM

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