Plex server disappeared from the console after DSM 6 upgrade to 7

Plex Media Server NAS & Devices
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Server Version#:1.29.2.6364-7000
Player Version#:NA
<If providing server logs please do NOT turn on verbose logging, only debug logging should be enabled>
First of all, I well read the upgrade process DSM 7 - Plex Media Server - Release Info & Migration instructions - Plex Media Server / NAS & Devices - Plex Forum and followed it. The migration succeeded as mentioned in the log file in the old Plex share:
Plex Media Server migration to DSM 7 started: Tue Aug 22 21:18:35 CEST 2023
=== Tue Aug 22 21:18:35 CEST 2023 === Start: Change ownership
=== Tue Aug 22 21:18:57 CEST 2023 === Completed: Change ownership
=== Tue Aug 22 21:18:57 CEST 2023 === Start: Convert symbolic links
=== Tue Aug 22 21:24:35 CEST 2023 === Completed: Convert symbolic links
=== Tue Aug 22 21:24:35 CEST 2023 === Start: Migrate Plex Media Server
=== Tue Aug 22 21:28:49 CEST 2023 === Completed: Migrate Plex Media Server
=== Tue Aug 22 21:28:49 CEST 2023 === Completed: Migrate Plex Media Server
=== Tue Aug 22 21:28:49 CEST 2023 === Start: Clean /volume1/Plex
=== Tue Aug 22 21:28:51 CEST 2023 === Completed: Clean /volume1/Plex
This was already 2 days ago and since then, I see activity logged in the “plex media server.log” file, I stopped and restared the service as mentionned in another thread but I don’t see my server coming back into the console.
The DLNA part seems to be working as I can play the music part on my Cambridge CXN device.
I will post the logs, if somebody can check what’s going on, it will be much appreciated.
Thx
Logs.zip (2.3 MB)

2

As sometimes happens, PMS forgets it’s YOUR PMS during the upgrade.

I think it has something to do with network / ISP but could never figure it out.

The solution , however, is simple.

In the rewrite for DSM 7, I was able to provide an installation menu/GUI.
The functionality is limited but does provide the important elements

For you, you want the following steps

  1. Uninstall Only (Keep all files for future reinstallation) – you’ll see why momentarily

  2. Reinstall the same package again , HOWEVER
    – select the ‘New or Lost Servers’ button (Plex Claim Token method)
    – Click the hyperlink .
    – New tab opens with that claim-xxxxx token displayed
    – COPY to your browser
    – Return to the installation menu
    – PASTE the token in the box on the installation menu page
    – Click NEXT - NEXT - DONE

After installing the software again, the package installer will next use that claim token to get new credentials for your server

When it completes, If all has been successful,

  1. The installation is OK
  2. The installer will show your Plex Username
  3. The installer will show your Plex Email

(Username and Email confirm the server is your server again)

NEXT – You will need to grant permission for the new DSM 7 username ( PlexMediaServer ) to read your media. This was a DSM 7 mandated change.

NOTE: The Syno FAQ has a number of DSM 7 specific articles to assist in the transition

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Thanks a lot for your help, this saved me tons of hours rebuilding my 10 years old library… :slight_smile:

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