Article - CS344086
OPC UA Server Hub for PTC Kepware Products
Modified: 19-Nov-2025
Applies To
- Kepware Server (formerly KEPServerEX) 5.20.396.0 to 6.10
- ThingWorx Kepware Server (legacy) 8.0 to 6.10
Description
- Various articles covering Instructions/Supported Features/Troubleshooting/Errors associated with OPC UA:
- OPC UA firewall port definitions
- Limit on the number of OPC UA client connections
- Certificates management for OPC UA connectivity
- Steps for OPC UA Client driver connectivity troubleshooting
- The user identity token is not valid.', Status code = 0X80200000 error
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