Article - CS307824
OPC UA Client driver fails to connect to OPC UA server in PTC Kepware Products
Modified: 13-Feb-2025
Applies To
- KEPServerEX 6.6.350.0 N/A to 6.17
- ThingWorx Kepware Server 6.6.362.0 to 6.17
Description
- Failure to connect to OPC UA server in PTC Kepware Products
- Error message in \ThingworxStorage\logs\EventLog.log:
OPC UA Client Channel failed to connect | Status: 'The endpoint is not supported by the server'
Warning OPC UA Client OPC Test UA | There is no exact match for the configured endpoint URL in the UA Server.
Warning OPC UA Client OPC Test UA | There is no exact match for the configured endpoint URL in the UA Server.
- The target server is behind a NAT (network address translation) firewall with port forwarding
- The servers require DisableDomainCheck=true in the client
- Target OPC UA Server's PC renamed causing OPC UA Client unable to find URL of Target OPC Server
- User does not permission to perform the requested operation., Status code = 0X801F0000
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