Plex Arcade - need to move appdata\local\Plex Media Server to different drive

I normally run Plex Media Server from my WD NAS, so for Arcade I had to install it on a Windows PC. I need to move ‘c:...\appdata\local\Plex Media Server’ to a different drive, likely internal but when I move it, it just gets recreated on the C drive. Do I need to edit or add a registry entry in HKEY_CURRENT_USER...\Plex Media Server\ ? The folder is getting very large. Thanks.