Synology DS1621+ and full reinstalation of Plex = I can't see my media server

  1. Uninstall the package – KEEP option

  2. Install the same SPK you downloaded from Plex.
    Do not use 1.21.0-3744 from Synology Package Center (incompatible with released DSM 7)

  3. Use Plex Claim Token Method

  4. Click Get Plex Claim Token link

  5. COPY token

  6. PASTE back into window on installer form

  7. NEXT → DONE

  8. Allow to install.

  9. CONFIRM: Your Plex username is shown in the ‘Claimed by:’ at end of installation.

  10. Open the server by its LAN IP this one time only so Plex/web and server can sync.