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surrounds no longer visible on system

  • February 6, 2026
  • 1 reply
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Arc Ultra -adding 2 Era100 as surrounds.  Added to system no problem.  Select setup surrounds - seems to work but when finished  the 2 ‘100s show as ‘not connected”

if I remove the surrounds they don’t come back into the system and I have to restore and add to system.  
 

is this normal? Surrounds are not available for music and only for television maybe ??

Router is a sophos and part of my work from home system.  Maintained by my IT guys and not something easily configured.   

Best answer by Airgetlam

I wouldn’t think so, no. But it sounds like the Era 100s are not finalizing the setup. Conjecture suggest that the switch from connecting to your router to connecting to your Arc Ultra (as a proxied IP assignment) isn’t occurring. Have you tried a simple power cycle of the router? If that doesn’t work, I would recommend that you submit a system diagnostic within 10 minutes of experiencing this problem, and call Sonos Support to discuss it. Don’t post the resulting diagnostic number here, Sonos’ lawyers get sensitive about GDPR, I suspect.

There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution.

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.

1 reply

Airgetlam
  • Answer
  • February 6, 2026

I wouldn’t think so, no. But it sounds like the Era 100s are not finalizing the setup. Conjecture suggest that the switch from connecting to your router to connecting to your Arc Ultra (as a proxied IP assignment) isn’t occurring. Have you tried a simple power cycle of the router? If that doesn’t work, I would recommend that you submit a system diagnostic within 10 minutes of experiencing this problem, and call Sonos Support to discuss it. Don’t post the resulting diagnostic number here, Sonos’ lawyers get sensitive about GDPR, I suspect.

There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution.

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.