HTTP Error 404.3 - Not FoundThe page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handle

While generating AIF service , I was not able to browse the service generated , I was getting below error :

HTTP Error 404.3 - Not FoundThe page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handle ............

I googled , and as usual It helped me to find the root cause , that is we need to install WCF , using service model  as below  :

Make sure to use option  : servicemodelreg.exe -iru , not only -i as mentioned in various other blogs .

Happy daxing