Everything Configuring Harmony to Perform Partial Updates with WebCC To be able to perform partial updates, you must first add the address to the WebCC server in your Harmony preferences. How to configure Harmony to communicate with WebCC In the top menu, select Edit (Windows/Linux) or Harmony Premium (macOS) > Preferences. Open the General tab. In the bottom-right corner of the tab, there should be a Web Control Center section. In the URL field of the Web Control Center section, type in the URL of the WebCC server including the protocol, domain and port number, as you would in your web browser: protocol://hostname:portnumber For example, to access a server named webcc.mystudio through https via port 8843, you would enter: https://webccserver.mystudio:8843 Click on the OK button.