Direct answer
Invitations depend on the recipient’s exact account, cloud sync, supported region/version and home-owner permissions. Repeated invites to aliases can create confusion.
What this covers
- The observed symptom matches this record
- Customer-accessible settings, connections and external components
- Diagnosis before reset, deletion or component replacement
What it does not cover
- ×A model-specific error code with a different documented meaning
- ×Internal electrical, battery-cell, gas, refrigeration or sealed-component repair
- ×A guarantee that every model exposes the same control label
Capture the exact symptom
ReversibleConfirm the recipient’s exact account address and whether they already see another home with the same name.
Run the smallest isolation test
ReversibleUpdate devices, verify cloud keychain/Home sync and cancel only the stale invite before sending one fresh invitation.
Correct only the proven cause
ReversibleAccept while on a normal network and keep at least one verified owner account.
Verify before changing anything else
ReversibleHave the recipient control one accessory inside and away from home.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I check before resetting anything?+
Confirm the recipient’s exact account address and whether they already see another home with the same name.
What is the safest isolation test?+
Update devices, verify cloud keychain/Home sync and cancel only the stale invite before sending one fresh invitation.
When should I stop troubleshooting?+
Do not share account passwords or remove the only home owner to fix an invitation.
Answer for the exact device and software version shown above.