UCM webpage fails to load with error HTTP Error 404.7 - Not Found The request filtering module is configured to deny the file extension.
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Article ID: 100643
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Updated On:
Products
CA Unified Communications Monitor (NetQoS / UCM)
Issue/Introduction
After a successful installation of the UCM console, the webpage will not open and gives the following error:
Environment
UCM 4.3.1 on Windows Server 2012
Cause
This issue is caused by having the "allowUnlisted" attribute set to "false" in the applicationHost.config file. As per Microsoft, this attribute is set to "true" by default.
Resolution
1- Open the applicationHost.config file, which is located in the %windir%\System32\inetsrv\config\ directory, with a text editor.
2- Locate the <requestFiltering> section, and change <fileExtensions allowUnlisted="false" applyToWebDAV="true"> to <fileExtensions allowUnlisted="true" applyToWebDAV="true">
3- Save the file and refresh your browser to load the UCM webpage.
If your are unable to change the above setting in your environment, you can leave it set to "false" and add the following entries below it: