That’s a tricky one. It depends on whether each track gets recognized and ‘matched’ as the same track as before. Which is rather unlikely in the case of music.
There are some ways you can try:
Before try do any of them, download a backup copy of your main Plex database file and keep it safe in case something goes wrong
1
- move your files using this method
2
- export your playlists using WebTools
- move the files
- re-import the playlists using WebTools
3
- shut down Plex server
- move the files
- edit the Plex database file directly and update the path to the music files [HowTo] Plex database modification - Moving media the right/wrong way