I went to the official Microsoft site to install URLScan 3.1 from here

However, the Web Platform Installer 4.6 is unable to find the extension to IIS. I've looked in the complete list, as well as under the server product list (which should be a subset).

My O/S is Windows Server 2008 R2 Enterprise and I'm using IIS 7.5, which appear to be supported.

Any idea why the Web Platform Installer can't find the product? I couldn't find any information suggesting that the product is deprecated.

EDIT: I was able to download it directly from here. However, as pointed out by MichelZ, I'm not sure if it is now obsolete.


This is built into II7 now. See here

Request Filtering is a built-in security feature that was introduced in Internet Information Services (IIS) 7.0, and replaces much of the functionality that was available through the UrlScan add-on for IIS 6.0.

  • Hmm the documentation for URLScan says that the pre-requisities are "IIS version 5.1, 6.0 or 7.0 or above (depending on the platform)." It's strange that it supports IIS 7, if IIS 7 makes it obsolete. I've voted up your answer, but will wait for a day or two to accept in case anyone has additional information.
    – Zesty
    Apr 9 '14 at 6:02
  • Yes, you can still install it, because Request Filtering does not support absolutely ALL features of URLScan (but it supports the most important one's)
    – MichelZ
    Apr 9 '14 at 6:07

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