Moving metadata from one NAS to another

Plex Media Server NAS & Devices
2

On both QNAPs, install this:

Then ones more, use NAS2NAS copy for all contents in the created share

After it finish, close PMS on both QNAP’s, and copy the directory
/share/Plex/Plex Media Server/Plug-in Support/Databases to target QNAP, overwriting what’s there

Then delete the file named:
/share/Plex/Plex Media Server/Preferences.xml on the target QNAP

Start Plex on both, and when browsing to target QNAP’s PMS, it should say it’s unclaimed