# Ignition OPC UA loopback connection - can it expire?

**URL:** <https://forum.inductiveautomation.com/t/ignition-opc-ua-loopback-connection-can-it-expire/67090>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [November 30, 2022, 4:00pm UTC](https://forum.inductiveautomation.com/t/ignition-opc-ua-loopback-connection-can-it-expire/67090 "2022-11-30T16:00:30Z")\
**Posts on this page:** 1\
**Showing post:** 9

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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:** [December 2, 2022, 2:14pm UTC](https://forum.inductiveautomation.com/t/ignition-opc-ua-loopback-connection-can-it-expire/67090/9 "2022-12-02T14:14:20Z")

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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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