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"Server Error in Application "DEFAULT WEB SITE" ... HTTP Error 404.7 - Not Found ... The request filtering module is configured to deny the file extension" when trying to download ccr.exe.config file

Technote (troubleshooting)


Problem(Abstract)

I.T. administrator is trying to troubleshoot a problem in Controller. As part of this, they launch the following URL: http://servername/cognos8/controllerbin/ccr.exe.config
Internet Explorer returns an error.

Symptom

IIS 7.5 Detailed Error - 404.7 - Not Found - Windows Internet Explorer

Server Error in Application "DEFAULT WEB SITE"
Internet Information Services 7.5

Error Summary
HTTP Error 404.7 - Not Found
The request filtering module is configured to deny the file extension.
Detailed Error InformationModule RequestFilteringModule
Notification BeginRequest
Handler StaticFile
Error Code 0x00000000
Requested URL http://servername:80/cognos8/controllerbin/ccr.exe.config
Physical Path D:\Program Files (x86)\cognos\c8\webcontent\ccr\ccr.exe.config
Logon Method Not yet determined
Logon User Not yet determined
Most likely causes:
Request filtering is configured for the Web server and the file extension for this request is explicitly denied.
Things you can try:
Verify the configuration/system.webServer/security/requestFiltering/fileExtensions settings in applicationhost.config and web.config.
Links and More InformationThis is a security feature. Do not change this feature unless the scope of the change is fully understood. If the file extension for the request should be allowed, remove the denied file extension from configuration/system.webServer/security/requestFiltering/fileExtensions.
View more information »


Cause

IIS security settings have not been modified from their default settings. This will deny the downloading of the required CCR.EXE.CONFIG file for the end user's clients.


Environment

Controller hosted on Windows 2008 server.

Resolving the problem

Reconfigure IIS to allow the download of .config files.


Steps:

  1. Open the folder C:\Windows\System32\inetsrv\config
  2. Launch Notepad.exe and edit the file applicationHost.config
  3. Search for ‘requestFiltering’ section
  4. Modify the value for ‘.config’ to ‘true’:

In other words, modify the line to read: <add fileExtension=".config" allowed="true" />

Document information

More support for: Cognos Controller
Controller

Software version: 8.5.1

Operating system(s): Windows

Reference #: 1449854

Modified date: 02 July 2014


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