After you add an infrastructure server to VMM, you can manage updates to that server by using a WSUS server (update server) ...

After you add an infrastructure server to VMM, you can manage updates to that server by using a WSUS server (update server) that you have also added to VMM. You can assign a set of required software updates, called a baseline, to the infrastructure server. Then you can run a scan and remediate servers that are not in compliance with the baseline.