To configure the OPC UA server to run as a standalone application, disable the Windows service, as follows:
1 Open the configuration tool.
2 Select Settings → Options.
3 De-select Enable Service mode.
4 Select File → Save configuration.
NOTE: When the OPC UA server operates as a standalone application, the EcoStruxure OPC UA Server Expert Service Notifier application is disabled and does not appear as an icon in the task bar.