# Homey Self-Hosted Matter-over-Thread - Matter pairing 404 error: "PairSession with ID ... Not Found"

**URL:** <https://community.homey.app/t/homey-self-hosted-matter-over-thread-matter-pairing-404-error-pairsession-with-id-not-found/147598>\
**Category:** Homey Self-Hosted Server\
**Tags:** app, matter, thread\
**Created:** [December 22, 2025, 4:30pm UTC](https://community.homey.app/t/homey-self-hosted-matter-over-thread-matter-pairing-404-error-pairsession-with-id-not-found/147598 "2025-12-22T16:30:10Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [January 10, 2026, 4:21am UTC](https://community.homey.app/t/homey-self-hosted-matter-over-thread-matter-pairing-404-error-pairsession-with-id-not-found/147598/10 "2026-01-10T04:21:48Z")

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IPv6?

> [@Thread Border Router](https://community.homey.app/t/thread-border-router/148807/2):
>
> From what I’ve read, if you have a Thread border router (of any kind), Homey-SHS should be able to pick it up and use it, provided that SHS is set up correctly (in terms of IPv6 requirements).

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