Example One: Changing %Service_Console Authentication Mechanisms In the second part of the example we set the authentication mechanism for %Service_Console (the service that controls the Terminal) to Instance Authentication. Then we access the Terminal.Here are the steps: Click %Service_Console on the Services page (click [Home] > [System Administration] > [Security] > [Services]) of the Management Portal. On the Edit Definition page for %Service_Console click Password and make sure that no other mechanism is selected. Click Save. Now launch the Terminal. Click the InterSystems Launcher in your System Tray. Click Terminal from the menu. Terminal prompts you for a user name and password. Enter _SYSTEM and SYS respectively: Username: _SYSTEM Password: *** USER> Execute the Write $UserName command at the prompt: USER>Write $UserName _SYSTEM USER> You are accessing InterSystems IRIS through the _SYSTEM account. Close the Terminal. Click File—>Exit.