I have some older speakers running on the S1 app, all no problem. Trying to add a My Cloud Home network drive to hold my Music Library but can’t seem to add it. In my S1 app I get error code 900. On my Windows PC I edited the settings using regedit as suggested in the help but still no success. I can see the drive on the PC no problem and can access the folders and files okay, but in Sonos on the PC I keep getting an error (see screenshot). Anything else I can try?
Trying to add screenshot but it’s not having it. 
♂️
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