If You Get the Following Error: "IIS HTTP Error 404.3 - Not Found"

"The page you are requesting cannot be served because of the extension configuration"

1. Open up ‘Programs & Features’

2. Select ‘Turn Windows features on or off’ (on the left, must be administrator)

3. Make sure ‘.NET Framework 4.5 Advanced Services’ is selected.

   -Navigate to ‘.NET Framework 4.5 Advanced Services’ > ‘WCF Services’ & make sure ‘HTTP Activation’ is selected.

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