https://forge.codesys.com/u/kiranbsiddaiah/activity/Recent activity for kiranbsiddaiahenThu, 07 May 2026 08:28:14 -0000https://forge.codesys.com/forge/talk/Engineering/thread/6e785f0e78/?limit=25#3ba9And also we do not have any opc ua related license . Do we need to have a opc ua license to communicate with OPC UA server with username and password?kiranbsiddaiahThu, 07 May 2026 08:28:14 -0000https://forge.codesys.com/forge/talk/Engineering/thread/6e785f0e78/?limit=25#3ba9https://forge.codesys.com/forge/talk/Engineering/thread/6e785f0e78/?limit=25#3ba9And also we do not have any opc ua related license . Do we need to have a opc ua license to communicate with OPC UA server with username and passwordkiranbsiddaiahThu, 07 May 2026 08:27:54 -0000https://forge.codesys.com/forge/talk/Engineering/thread/6e785f0e78/?limit=25#3ba9https://forge.codesys.com/forge/talk/Engineering/thread/6e785f0e78/?limit=25#ffe3Hi, I'm using codesys v3.5 sp21 software. I have downloaded the sample opc ua client project from https://content.helpme-codesys.com/en/CODESYS%20Examples/_ex_uacapi_example.html and i tested connecting to "prosys opc ua simulation server". Through Anonymous connection it is connecting to server and can read data. Later tried to connect using username and password. First got a SECURITY_CHECKS_FAILED error, trusted the client certificate in the server and this issue resolved. Next got an INVALID_CERTIFICATE...kiranbsiddaiahThu, 07 May 2026 03:08:27 -0000https://forge.codesys.com/forge/talk/Engineering/thread/6e785f0e78/?limit=25#ffe3https://forge.codesys.com/tol/cforge/tickets/34/Unable to Connect To OPC Ua server through UserName identitykiranbsiddaiahWed, 06 May 2026 10:57:04 -0000https://forge.codesys.com/tol/cforge/tickets/34/