Adding an OPC UA Client certificate
Establishing a secure connection between OPC UA Server and OPC UA Client requires both parties to have the others certificate.
- Prerequisite
- You need a valid OPC UA Client certificate (X.509 public key certificate, additional entries according to the OPC UA specification, DER-encoded).

All added certificates will be trusted.
- In the Data settings, click Client certificates.
- The Trusted certificates list is displayed.
- Click the plus icon.
- Navigate to the certificate in your file system.
- Click Open.
- The certificate is added to the Trusted certificates list.