# Configuring an OPC UA Server

An OPC UA Server can be configured to publish global variables via the OPC UA protocol. The OPC UA Server is configured with the OPC UA Server application.

- OPC UA Server user interface
- Starting the OPC UA Server
- Stopping the OPC UA Server
- Setting the port of the OPC UA Server
- Regenerating the OPC UA Server certificate
- Publishing a global variable for OPC UA Clients
- Unpublishing a global variable from OPC UA Clients
- Searching for a variable in the Global variables list
- Adding an OPC UA Client certificate
- Deleting an OPC UA Client certificate
- Displaying details of an OPC UA Client certificate
- Allowing anonymous access to the OPC UA Server
- Changing the OPC UA user password