The following commands help you manage the Device Automation Service running on a remote computer.

• Stop DA service: Stops the service, which makes the remote device unavailable.
• Restart DA service: Stops and starts the service. A robot or Design Studio loses the connection to the device and must be reloaded to restore it.
• Suspend DA service: Suspends the device. If suspended, the service is displayed as suspended in the Management Console. To restore the service operation, a user or an administrator needs to manually start the Device Automation Service on the device.

In some cases it is necessary to lock computer screens when working with Automation Devices. You can lock a screen by using the Lock Screen command on the Device Automation Service menu. Before locking your device screen, make sure the service is running and it is in the connected state. To lock a screen, right-click the Device Automation Service icon and select Lock Screen.

Lock Screen Usage Prerequisites

To use the Lock Screen feature with Device Automation, your device must meet the following requirements.

• Remote Desktop connection must be enabled.
• The user under which the Device Automation Service runs must be allowed to connect via Remote Desktop (as a member of the Admin group or the Remote Desktop group) and use a password.

• The effective group policy of Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Security > "Always prompt for password upon connection" must be off.

• Port 3389 must be open.
• The Automation Device cannot be a domain controller.

The following shortcut menu commands help you restart and shut down the computer running Device Automation Service.

• Shutdown Machine: Shuts down the computer.
• Restart Machine: Restarts the computer.