DSM 7 - Set Plex shared folder permissions
IF migration fails with System error: 0, perform these steps
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File Station → Right-click the “Plex” shared folder → Properties → Permissions
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If no “PlexMediaServer” user is listed, Click CREATE
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Scroll down the list of normal and system internal users to find PlexMediaServer
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Give all Administration, Read, and Write permissions (Full Control)
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Confirm “Full Control” and Apply to this folder, sub-folders and files.
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Click SAVE. This may take a long time. Wait for it.




