# OPC UA Certificate Issues - Opto-22

**URL:** <https://forum.inductiveautomation.com/t/opc-ua-certificate-issues-opto-22/95604>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [September 5, 2024, 5:09pm UTC](https://forum.inductiveautomation.com/t/opc-ua-certificate-issues-opto-22/95604 "2024-09-05T17:09:34Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**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:** [September 5, 2024, 5:37pm UTC](https://forum.inductiveautomation.com/t/opc-ua-certificate-issues-opto-22/95604/4 "2024-09-05T17:37:26Z")

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I think you're running into this issue: [OPC UA connection "unable to find valid certification path to requested target" - #9 by Kevin.Herron](https://forum.inductiveautomation.com/t/opc-ua-connection-unable-to-find-valid-certification-path-to-requested-target/52006/9)

For now, you'll have to just leave the certificate validation disabled.

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