Modifying the configuration of EcoStruxure OPC UA Server Expert requires a restart of the OPC UA Server.
Issue:
It appears that you cannot add a new PLC to the EcoStruxure OPC UA Server Expert without restarting the OPC UA server.
Product Line:
EcoStruxure OPC UA Server Expert (all versions).
Resolution:
Any modification made in the EcoStruxure OPC UA Server Expert Configuration Tool requires a restart of the OPC UA Server Expert for the changes to take effect.
The configuration settings, whether for an alias or for the server itself, are applied statically and only become active after the server is stopped and then restarted.
Making dynamic changes while the OPC UA server is running is not supported.
Configuration Changes and Server Restart:
1. All configuration changes (such as creating or modifying aliases, or adjusting global server properties) are static.
2. These changes only take effect after the OPC UA Server Expert is stopped and restarted.
3. Attempting to make changes while the server is running will not apply them until a restart is performed.
Restart Procedure:
1. If running as a Windows service, stop the service using the Configuration Tool (Service → Stop server) or via the Windows Task Manager (stop OFSUA-Server service).
2. If running as a standalone application, close the application to stop the server.
3. Wait a short period to ensure the server has fully shut down before restarting, as immediate restart attempts may result in an error message.
4. Start the server again using the appropriate method for your operating mode.
Administrator Privileges:
Only users with Administrator privileges can run the configuration tool and operate the server in service mode.
In summary, a restart of the OPC UA Server Expert is always required after any configuration modification for the changes to take effect.
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