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[Solved] HomePod mini Matter Accessory Showing ‘No Response’ in Apple Home App (tvOS 18.0) – Verified Troubleshooting

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Home › Forums › HomeKit, Apple TV & Smart Home › [Solved] HomePod mini Matter Accessory Showing ‘No Response’ in Apple Home App (tvOS 18.0) – Verified Troubleshooting

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  • November 15, 2026 at 1:50 am #16932
    Peter Reynolds
    Community Contributor
    Diagnostic Hardware Specs: HomePod mini (Stereo Pair) | OS Version: tvOS 18.0 | Archive Source: Apple Support Community #256066397

    I am running into a persistent issue on my HomePod mini (Stereo Pair) running tvOS 18.0.
    Whenever the machine encounters IPv6 mDNS Multicast DNS routing failure between 2.4GHz Wi-Fi and Thread Border Router, the following diagnostic log appears in Console:

    homed: [Matter] Transport connection dropped for NodeID 0x8d97: IPv6 unreachable via Thread mesh

    I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

    MacBook Pro 16″ M3 Pro (36GB) | Studio Display | Magic Mouse & Trackpad | Rotterdam, NL
    Product Designer & Design Systems Lead | "Verified Apple Discussions Archive"
    November 15, 2026 at 1:50 am #16933
    Barbara Guzman
    Senior Specialist (Lvl 8)
    Apple Recommended / Verified Community Solution
    This canonical solution was verified and marked as solved in the Apple Support Community archive.

    Enabling IGMP snooping / multicast forwarding and rebooting primary Thread Border Router.

    Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

    1. In home router Wi-Fi settings, enable IGMP Snooping and disable ‘AP Isolation’.
    2. Power cycle your primary Thread Border Router (Apple TV 4K connected via Gigabit Ethernet).
    3. Power-cycle the unresponsive Matter accessory for 10 seconds to prompt a fresh Thread mesh re-route.

    Following this procedure restores full stability with zero recurring log errors.

    Mac mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Osaka, JP
    Apple Certified Support Professional (ACSP) | Apple Certified Service Technician (ACiT / ACSP)
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