Unable to establish communication between Kepware and Kepware using OPC UA.

[AnudeepYenduri]

We are trying to achieve communication from Kepware to Kepware, when i am trying to generate tags the following error is being encountered.
Failed to Connect to UA server 'opc.tcp://10.XX.XX.12:49320' for browsing.

[VladimirN]

Articles:

• "Error in OPC UA Client driver "Failed to connect to UA Server 'opc.tcp://[...] for browsing. The server does not recognize the QueryString specfied', Status code = 0X80830000" in PTC Kepware Products": https://www.ptc.com/en/support/article/CS350062
• "OPC UA Client driver fails to connect to OPC UA server in PTC Kepware Products": https://www.ptc.com/en/support/article/CS307824

[AnudeepYenduri]

Thanks @VladimirN  this helped in troubleshooting but didnt solve the issue, I have cross verified that all the things mentioned in the articles. Still issue remains same.

[rajskumar · Accepted solution]

Please check if you can Powershell Test-NetConnect to the device on the port KEPServerEX is trying to use.

Powershell has a built in commandlet that can help prove or disprove TCP socket connectivity
Command Syntax: Test-NetConnection [host] -Port [port number]
Example: Test-NetConnection 255.255.255.255 -Port 502
If these do not succeed this issue is networking.

I would recommend you to start with security as "None" and verify OPC UA Client configuration also as per below article. 

https://www.ptc.com/en/support/article/CS298913

If you are prompted to log in to view the complete article, you can use your MyKepware login credentials.

[AnudeepYenduri]

Hi @rajskumar 

This resolved my issue and now i was able to read the tags from Kepware to Kepware.