connection failure in dot net core error : 0x808A0000 - by: aksenthil

Dear Team,

I was trying to access OPC UA Server ( Kepware server) in windows machine.

My Quick OPC OPC UA client is running in ubuntu 20.04.2 LTS

I am using the dot net core sample application from Quick OPC.

while publishing, I mentioned as Linux x64 and self-contained application

while executing the code I am getting the error code 0x808A0000. please kindly guide me to resolve the issue

please find attached error code image.