DSM 7 – Set Plex shared folder permissions

IF migration fails with System error: 0, perform these steps

1. File Station → Right-click the “Plex” shared folder → Properties → Permissions
   
2. If no “PlexMediaServer” user is listed, Click CREATE
   
3. Scroll down the list of normal and system internal users to find PlexMediaServer
   
4. Give all Administration, Read, and Write permissions (Full Control)
   
5. Confirm “Full Control” and Apply to this folder, sub-folders and files.
   
6. Click SAVE. This may take a long time. Wait for it.