# Re-add previous optimized versions after library recreation
**URL:** https://forums.plex.tv/t/re-add-previous-optimized-versions-after-library-recreation/748944
**Category:** Metadata & Adding Files
**Tags:** server-linux, media-optimizer
**Created:** [October 7, 2021, 1:14am UTC](https://forums.plex.tv/t/re-add-previous-optimized-versions-after-library-recreation/748944 "2021-10-07T01:14:55Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@sulliops](https://forums.plex.tv/u/sulliops)
#### Post date: [October 7, 2021, 1:14am UTC](https://forums.plex.tv/t/re-add-previous-optimized-versions-after-library-recreation/748944/1 "2021-10-07T01:14:55Z")
The latest Plex update evidently corrupted my database, as I discovered this morning. Despite the fact that I have backups turned _on_, they’re nowhere to be found in `/var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Plug-in Support/Databases`.
My library was small, so re-creating and re-scanning my folders for content wasn’t difficult. However, all my optimized versions are no longer recognized by Plex. The optimized files _are_ picked up by Plex, but they’re treated as secondary file sources and not “official” optimized versions.
I know there isn’t any way to manually specify optimized versions through the Plex web application, so I’m wondering if there’s a way to do this by editing the Plex database. According to a post on another thread, it might be possible.
> [@Re-add Optimized Versions](https://forums.plex.tv/t/re-add-optimized-versions/126888/6):
>
> You could try to replicate this db entry on the… server.
I tried copying and opening my database in DB Browser for SQLite, but I can’t find the tables or rows that handle optimized versions.
Linux Version: Ubuntu 20.0.3 LTS
Plex Server Version: 1.24.3.5033
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### Author:  [@system](https://forums.plex.tv/u/system)
#### Post date: [January 5, 2022, 1:15am UTC](https://forums.plex.tv/t/re-add-previous-optimized-versions-after-library-recreation/748944/2 "2022-01-05T01:15:28Z")
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