HTTP Error 404.3 - Not Found

PROBLEM: HTTP Error 404.3 - Not Found 

Example: Testing the ImpactBrowsingService is installed by browsing to the URL http://SERVER/ImpactRESTful/ImpactBrowsingService.svc/help fails with an HTTP Error 404.3 with additional information as below.

HTTP Error 404.3 - Not Found

The page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handler. If the file should be downloaded, add a MIME map.


Ensure you have configured IIS to serve ASP.NET pages with a .SVC extension. To solve this problem

1. On the server with IIS installed start a command window as an Administrator. 

2. Go to the 'C:\Windows\Microsoft.Net\Framework\v3.0\Windows Communication Foundation\' directory, or 'C:\Windows\Microsoft.Net\Framework64\v3.0\Windows Communication Foundation\' if using a 64bit operating system. 

3. Run this command 'ServiceModelReg -i'

4. Retest you can browse to the service help page. 

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