HTTP Error 404.17 - Not Found The requested content appears to be script and will not be served by the static file handler.
Server: Windows Server 2012 IIS: Version 8.0.9200.16384 Issue: Trying to browse a WCF service which is running in Application Pool 4.0 Classic. Resolution: The error occurs if correct version of .net is not mapped with the *.svc extension in the IIS Handler Mappings. Ensure the right version of .net is mapped with the *.svc extension. Click on the Web Site and click on Handler Mappings: Add the following maps if missing Try to restart IIS and then browse the service. The above steps helped me to resolve the issue.