Folders not visible to import music. First setup. Need help!

[tom80H]

The Plex Media Server instance on your Syno is running as a dedicated system user of the NAS.
For Plex to be able to access your media, that user must have permission to see the media.

The user is different on DSM 5/6 and 7.
There’s a guide on how to set permissions on DSM for each version.

Synology FAQ - Questions, Answers, and How-To's

FAQ 19: Setting permissions to allow Plex access to media files Before beginning, it’s important to remember one key point; Plex doesn’t have any special privileges on Synology except for being able to access the Video Transcoding acceleration hardware. It cannot read any of your files unless you expressly grant permission. This is a fundamental principle of Linux (which Synology uses for DSM) Because of how Synology grants permission, access to files is broken into two different …