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WCF Error HTTP Error 404.3 - Not Found

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If you get the below error

HTTP Error 500.21 - Internal Server Error

Handler "svc-ISAPI-4.0_64bit" has a bad module "ManagedPipelineHandler" in its module list

1) Select "run" from the Start menu

2) Enter "cmd" and click OK

1. Make sure you have installed the prerequistes for ASP.NET 4. Navigate to the path "C:\Windows\Microsoft.NET\Framework\v4.0.30319" and run the command aspnet_regiis.exe -i

2. Make sure that you have run "ServiceModelReg -i" which will install WCF.

1) Select "run" from the Start menu

2) Enter "cmd" and click OK

3) enter "cd c:\windows\Microsoft.Net\Framework\v3.0\Windows Communication Foundation\ " and press Enter.

4) Enter "ServiceModelReg -i" and press Enter.

5) WCF will now be installed: