Corrupt Plex Database can not be fixed

Hello,
I have been using Plex for 5 years now and it mostly worked fine. Since The Metadata Folder was pretty big, I moved it to another location a year ago. This also worked fine.

Now I wanted to get a bigger C:// Harddrive and mirrored the old one to the new one. All the Database and Appdata files of Plex were untouched, since they both were on D://

But unfortunately I can not start the Plex Media Server anymore. Whenever I try, it says:
“Corrupt Database: Plex Media Server was unable to open its media Database.”

So I tried these instructions: Repair a Corrupted Database | Plex Support
First the automatic instructions (Which created a 244 GB recover.out file

Since after that Plex could still not be restarted, I tried the manual steps too. After that I still can not Start the Server.

When I check

"C:\Program Files (x86)\Plex\Plex Media Server\Plex SQLite.exe" com.plexapp.plugins.library.db "PRAGMA integrity_check"

it shows me “ok” now, but it still does not work.

What can I do? How can I fix this? Should/can I move the Plex Appdata folder back in this state?

Thanks a lot in advance for your help. I am very frustrated right now and scared that my database will be lost, so any help is appreciated.

Check the registry to make sure the appdata folder is referenced to the correct location.

It is referenced to the correct location. But it still did not work.
instead i fixed it by restoring a backup. Now I will try to move the Plex Data back to the original AppData folder and I hope it works fine.
Thanks for your support!

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