# OPC UA Connection Faulted After Upgrade

**URL:** <https://forum.inductiveautomation.com/t/opc-ua-connection-faulted-after-upgrade/40561>\
**Category:** Ignition\
**Created:** [November 11, 2020, 8:10pm UTC](https://forum.inductiveautomation.com/t/opc-ua-connection-faulted-after-upgrade/40561 "2020-11-11T20:10:29Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [June 2, 2023, 11:08pm UTC](https://forum.inductiveautomation.com/t/opc-ua-connection-faulted-after-upgrade/40561/11 "2023-06-02T23:08:31Z")

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Your screenshot says v8.0.12. Which is ancient and unsupported. You are missing relevant features from the v8.1.x series. For now, look at this topic and recommendations:

> [@Ignition OPC UA loopback connection - can it expire?](https://forum.inductiveautomation.com/t/ignition-opc-ua-loopback-connection-can-it-expire/67090/9):
>
> So, there already was a mention of this expiration in the docs, and they've now added an explicit mention that even the loopback connection will stop working if the certificates expire or are otherwise invalid. [OPC UA Security - Ignition User Manual 8.1 - Ignition Documentation (inductiveautomation.com)](https://docs.inductiveautomation.com/display/DOC81/OPC+UA+Security#OPCUASecurity-RegenerateCurrentCertificates)

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