Configuring trusted certificates for OPC UA servers - Industrial IoT 5.0.2.0 | BACnet | Modbus | OPC Client | SNMP Manager

If you chose to connect to the OPC UA servers using certificates, you must configure the certificates on the OPC UA server's Properties page.

1. From the Plugins task's entity browser, select the OPC UA server you enrolled.
2. Click the Properties tab.
3. Under the Protocol section, click View certificate in the Server certificate field.
   The Server certificate dialog box opens.

   
4. Verify the information on the certificate and click Trust > Close.
   The server certificate is now trusted and the plugin successfully connects to the server.
5. If you have a second server assigned to your OPC device, trust its certificate as well.
6. In the Scheme drop-down list, select Certificate.
7. In the Certificate usage field, you can use a self-signed certificate or a trusted store certificate.
   Select one of the following:

   Self-signed certificate

   It is the default mode of certificate usage.

   Trusted store certificate

   Third-party client certificates.

8. Click Select certificate in the Client certificate field.
   The Select a certificate dialog box opens.
9. Select the certificate and click Apply.