I haven't heard of MXOPC server before, thus can not confirm nor deny compatibility with it. I know that some servers might be more restrictive causing connection troubles. Servers which were tested prior 0.12 release are:
- Eclipse Milo 0.6.x
- Prosys OPC UA (simulator)
- Siemens S7 (1200 and simocode)
- UA-.NETStandard

If you can please start with security-policy=NONE and message-security=NONE and see if plc4x client is able to negotiate session. There are some inconsistencies in how servers process a nonce which is part of handshake. Starting from 0.13-SNAPSHOT I included node-opcua server into test pool, however I still have issues with connection handshake on their hosted server.

Best,
Łukasz

On 15.09.2024 11:14, Christofer Dutz wrote:
Ok...

Then I guess our team mates taking care of the opc-ua driver will be able to 
help. I would recommend opening an issue on github and adding some more 
information. Such as maybe the bit of the choice where you're using plc4x, the 
exact log output of the error etc.

Chris

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________________________________
From: Kundan Negi <codekundann...@gmail.com>
Sent: Sunday, September 15, 2024 11:06:12 AM
To: dev@plc4x.apache.org <dev@plc4x.apache.org>
Subject: Does Plc4j connects to MXOPC Server UA by Mitsubishi

Hi Plc4x Team,
I want to know *whether Plc4j connects to MXOPC Server UA by MItsubishi*. I
earlier used MXOPC DA by Mitsubishi. I am trying to connect to MXOPC UA
Server but it is failing to connect. Any help would be highly appreciated.

Thanks and Regards
Kundan Negi

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