I recently had a power outage that brought down my network. When I rebooted my Unraid server, the official Plex docker would start and then crash ~2 mins later. I would be unable to access Plex during the brief time it was running.

 

I thought this might be an issue with my nvidia GPU settings for the docker instance, and after removing those parameters and restoring Plex from the backup databases (following the instructions here) the Plex docker stopped crashing after startup. However, it's still marked as unhealthy and I still can't access it by going to "myIP:32400" and I don't see it in Plex.

 

The logs don't show any errors, and I've tried deleting the Plex docker image and redownloading it from the "Apps" panel but that hasn't changed anything. What am I missing?

For others with this issue, I found the solution here. Essentially, if you have a backup of your "Preferences.xml" file, if you just copy that over it's all fixed!

saved movie night tonight.... thanks for this

 

On 8/30/2022 at 3:10 PM, SupremeArmchair said:

For others with this issue, I found the solution here. Essentially, if you have a backup of your "Preferences.xml" file, if you just copy that over it's all fixed!

 

For those coming across this in 2025:

 

This is the correct solution if your "Preferences.xml" file is 0 bytes in size.

You will find the "Preferences.xml" in the "/Plex-Media-Server/Library/Application Support/Plex Media Server/" subfolder of whatever is set as your 'appdata' Share, which should be listed on the Share tab of your Unraid web console.

 

If you have no backup of your Preferences.xml, simply replace it with a file that says nothing but:

 

<?xml version="1.0" encoding="utf-8"?>
<Preferences />

 

I used 'vi' in the terminal window: vi /mnt/user/appdata/Plex-Media-Server/Library/Application\ Support/Plex\ Media\ Server/Preferences.xml

Once saved, restart the docker container and it should start working again.