Viewing Failed Request Log

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Probably since IE (Internet Explorer) is now (since a while...) officially dead, and I finally am in a situation where I do want to take a look at the Failed Request Logs.

Search did help me find:

  1. IIS failed request log viewer

But this question, and answer, are from 11 years ago, and the link to the external site is down.

  1. FREB Viewer

But the download gives: {"error":{"code":"generalException","message":"General Exception While Processing"}}

So, my question is, how can I view the Failed Request Logs, about the same way as i used to do that in Internet Explorer, a couple of years ago?

I am trying to do that under Windows 11, but when viewing a file like "C:\inetpub\logs\FailedReqLogFiles\W3SVC1\fr004256.xml", I am only seeing an empty page in Edge.

EDIT: Another article about it not working, see:

Reading a FREB log, a Failed Request Tracing: IIS request processing pipeline execution (last updated: Dec 15 2020 02:10 AM)

2 Answers

In Edge setting, set Allow sites to be reloaded in Internet Explorer mode to Allow and restart Edge.

enter image description here

Then open fr0000xx.xml file in edge. You may get a blank page and freb.xsl shows blocked.

enter image description here

Click ... on the top right corner and reload in IE mode. enter image description here

Now, you can view it on Win11. enter image description here

It just stopped supporting and was forbidden to open by Microsoft alone. It's still there. Microsoft won't delete it until at least 2029。 You can use IE mode or old programs that rely on IE in edge, or even bypass the restrictions and use IE directly windows11 open ie:

$ie=New-Object -ComObject InternetExplorer.Application;

$ie.visible=$true

or Old program calling mshtml:IIS-FrebViewer
https://docs.microsoft.com/zh-cn/archive/blogs/rakkimk/frebviewer-yet-another-freb-files-viewer

Or download an old browser that supports mshtml, associate it as the default XML opening program, and double-click to open the file
for example:TheWorld 2.4
http://www.theworld.cn/en/index.htm


In addition, Microsoft has also customized the following functions for you to ensure that you can click multiple times

Well designed right button enter image description here Considerate --ie-mode-file-url enter image description here

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