How to connect to Ignition OPC-UA server

Hi There

I have accidentally deleted the built in OPC UA. which is Ignition OPC-UA Server.
What is the best way to connect to that again?

What is the Ignition OPC-UA Server URL Endpoint?

Should I uninstall Ignition and install back again?


You should be able to reconnect by simply setting the server connection backup. Ignition’s OPC UA Server - Ignition User Manual 8.1 - Ignition Documentation (

Try this for the end point opc.tcp://localhost:4096 then use
opcuauser as username and password as password

opc.tcp://localhost:62541/discovery Worked for me

4096 wasn’t the correct port