Home FAQ In which locations is it mandatory to register the MAC address? PT Target Audience: Iscte CommunityAnswer/Solution:MAC Address registration is required in non‑shared spaces, such as offices and administrative services.In classrooms, auditoriums, laboratories and study rooms, you only need to plug in the network cable to get access.Further Information:Click here Related Previous How can I register my MAC address? Next I plugged in the network cable, but I don't have Internet access. What should I check?