# Sonos units dropped out and need to re-add all

**URL:** https://community.homey.app/t/sonos-units-dropped-out-and-need-to-re-add-all/139595
**Category:** Questions & Help
**Tags:** app, homey-pro
**Created:** [July 11, 2025, 9:01am UTC](https://community.homey.app/t/sonos-units-dropped-out-and-need-to-re-add-all/139595 "2025-07-11T09:01:24Z")
**Posts on this page:** 1
**Showing post:** 2

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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: [July 11, 2025, 1:17pm UTC](https://community.homey.app/t/sonos-units-dropped-out-and-need-to-re-add-all/139595/2 "2025-07-11T13:17:50Z")

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Most probably a restart of your router and access points solves it (next time).  
I think it’s mDNS related.

For repairing flows quite easy, you can use this great script:

> [@\[HOW-TO\]\[Pro\]\[Cloud\] - Tool to FIX (advanced) flows after removing and re-adding devices](https://community.homey.app/t/how-to-pro-cloud-tool-to-fix-advanced-flows-after-removing-and-re-adding-devices/65018):
>
> rotating_lightwarning Use at own risk! warning rotating_light Hi, So I just go a new house and wanted to make my Zigbee network a bit better by removing an re-adding my devices so I get a stable network. But the issue with this is you have to fix all your flows. (Ofcourse [Flow Checker App for Homey | Homey](https://homey.app/a/com.athom.flowchecker/) can indicate the broken flows) I made a small script which can help with fixing the flows. So what do you need: Device ID you would like to update - You can get this via t…

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