WCF is automatically installed with . NET 3.0 and any higher version. However, you still need to install the WCF HTTP Activation feature yourself. When hosting Kentico on Microsoft Azure Web Apps or Cloud Services, WCF and the HTTP Activation feature are installed and enabled by default.

What is Windows Communications Foundation HTTP Activation?

Windows Communication Foundation (WCF) is a framework for building service-oriented applications. Using WCF, you can send data as asynchronous messages from one service endpoint to another. A service endpoint can be part of a continuously available service hosted by IIS, or it can be a service hosted in an application.

How do I enable Windows Communications Foundation?

Installing WCF

1. Open the Start menu.
2. Navigate to Settings -> Control Panel -> Programs -> Programs and Features.
3. Click on Turn Windows features on or off.
4. Under the Microsoft . NET Framework 3.5 node, turn the Windows Communication Foundation HTTP Activation checkbox on.
5. Click OK to start the installation.