On server operating systems, install the WCF Activation feature using Windows Server Manager. Right-click Features and select ...

On server operating systems, install the WCF Activation feature using Windows Server Manager. Right-click Features and select Add Features. Under .NET Framework 3.0 features, ensure that WCF Activation is selected.

On client operating systems, install this feature using the Programs and Features Control Panel. Select “Turn Windows features on or off,” and under Microsoft .NET Framework 3.5.1, ensure that the Windows Communication Foundation Activation options are selected.
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