# OPC UA Niagara 4 **URL:** \ **Category:** Ignition Early Access\ **Created:** [January 26, 2019, 4:11pm UTC](https://forum.inductiveautomation.com/t/opc-ua-niagara-4/22143 "2019-01-26T16:11:30Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [June 9, 2022, 8:41pm UTC](https://forum.inductiveautomation.com/t/opc-ua-niagara-4/22143/4 "2022-06-09T20:41:03Z")
Split this topic on June 9, 2022, 8:41pm UTC 2 posts were split to a new topic: [[BadSecurityChecksFailed] Reason: sun.security.provider.certpath.SunCertPathBuilderException](https://forum.inductiveautomation.com/t/badsecuritychecksfailed-reason-sun-security-provider-certpath-suncertpathbuilderexception/60581) --- _[View the full topic](https://forum.inductiveautomation.com/t/opc-ua-niagara-4/22143)._