Article - CS355587
Using an external CA provided certificate for OPC UA communication with PTC Kepware products
Modified: 25-Mar-2026
Applies To
- Kepware Server (formerly KEPServerEX) 6.9.572.0 to 7.0
- ThingWorx Kepware Server (legacy) 6.9.572.0 to 6.18
Description
- Using an external CA provided certificate for OPC UA client to communicate with PTC Kepware products
- How to configure external certificate instead of the self-signed certificate for OPC UA communication?
- How to configure 2 Kepware instances(one as client and another as server) to communicate using OPC UA , with external CA provided certificates?
- Requirements to use an external certificate as the Server Instance Certificate to secure OPC UA communication
- What is the certificate key usage required?
- What is the certificate advanced key usage required?
- What are the Alternative Names required?
This is a printer-friendly version of Article 355587 and may be out of date. For the latest version click CS355587