My music library has been indexing for days.  
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It shouldn't take longer than 5 or 10 minutes to index the largest libraries , what operating system are you using and what kind of storage device are you trying to add? in theory disconnecting your Sonos devices ought to do the trick. To understand the root cause, I suggest you submit a diagnostics, https://sonos.custhelp.com/app/answer...
And then contact Sonos support! Good luck!
Misery loves company....so has mine. No solution. Tried powering down. Nada.
Hi, sorry for the delay. Is your system still experiencing the same issue? If the music stored on a Mac or PC? Also, how is the computer connected to the network?
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