Painters will tell you that all the work goes into preparation; the painting itself is fast and easy. The same goes for CM12 software update management. It takes some work to get a proper setup in place before the easy work of day-to-day management can begin. We will now show you how to set up your Software Update Point (SUP) and sync it.
Installing WSUS and its dependencies hasn't changed since CM07. Make sure that you have WSUS installed on a server with IIS before proceeding. Note that just like CM07, after the installation of WSUS, cancel out of the wizard. CM will do the configuration instead. You will want to make the machine account of your primary site server a local admin of the WSUS server.