Hey @Rewi_Stirrat,
Thanks for the additional information! We were able to review a fresh diagnostic report, and saw some traces that pointed to instability around your database, and potential database I/O corruption.
As a next step, could you please check the health of your Windows 11 drive? You can run chkdsk
or a SMART test on the drive hosting your Roon database.
In regard to your play history - unless you have a more recent backup available, you may not be able to recover this data, unfortunately.
For your Jazz playlist, there is a way we may be able to get it added back to your current database.
First, follow the steps below to temporarily replace your current database with the older backup you’ve tested with (this backup has the missing jazz playlist):
- Create a Backup of your current database
- Exit out of Roon + RoonServer (from taskbar area)
- Navigate to your Roon Database Location
- Find the folder that says “Roon Server” and “Roon”
- Rename the “RoonServer” folder to “RoonServer_old” and “Roon” to “Roon_old”
- Reinstall the Roon App from our Downloads Page to generate a new Roon folder
- Then, restore Roon using your older backup that contains your playlist
Here is the process outlined from a Windows machine:

After this, access the Jazz playlist and use the export function to export via Folder to a safe location, like your windows desktop. This will export all the media as well as the M3U file containing the playlist.
After you’ve successfully exported the Jazz playlist, close all instances of Roon and Roon Server.
Then, head back into your Database location, and rename your Roon_old and RoonServer_old back to Roon and RoonServer - and swap the new installation of Roon and RoonServer to Roon_old1 and RoonServer_old 1.
This will essentially revert your above work and will bring you back to your current Roon database.
Once your back to your current setup, go ahead and import your Jazz playlist folder - make sure to toggle on ‘Import other playlists’ which includes M3U.
This process should get you back to your current state with your missing playlist. Let me know if it all makes sense and if you have any other questions! 