Answered
Connecting my Music on iMac to Sonos system
Have Sonos rectified the errors created by their last update that destroyed my ability to play music kept on my iMac using the Sonos system?
Have Sonos rectified the errors created by their last update that destroyed my ability to play music kept on my iMac using the Sonos system?
https://support.sonos.com/en-us/article/share-your-macos-music-folder-with-sonos#
Their motivation is more security related. Make sure your Mac has SMBv2. SMBv1 is no longer supported. Try above link once you have found out which SMB version is being used on the Mac.
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