OPC-UA Client connected to remote OPC-UA Server

Hello Community,

Our customer is struggling in performing OPC-UA communication between a CtrlX Core as client and a remote CtrlX Core as server. 'Remote' means server can be accessed on a different remote network by internet.

The use of UA Expert leads to a successful communication whereas unsuccessful with CtrlX Core Client.

 

Unfortunately there is no accurate info regarding this error code.


I also tried on my side with both 1.20 and 2.6.3 versions but unsuccessful as well.
However connection to remote Ip is successful:

Any hints from would be appreciable.

 

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