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How long will we have to live with the problem : "Sonos was unable to add the music folder (913)" ?????????

Until you fix it - multiple threads describe fixes for this specific error code, on Mac and PC.


(913) is almost always due to the SMB v1 share protocol being used.  You need to switch off SMB v1 on the storage device (NAS, PC, Mac) and then use the PC/Mac app to re-add your library to Sonos.  Not what you wish to hear, and certainly not an optimum answer, but many others have gotten their library back by following those steps.  


Dear controlav , this answer is rather useless ….

Dear jgatie , I tried this (switch off SMBv1) but error 913 remains ….

Mopsie