# Sonic Analysis not running

**URL:** <https://forums.plex.tv/t/sonic-analysis-not-running/860748>\
**Category:** Plex Media Server\
**Tags:** server-windows\
**Created:** [November 26, 2023, 6:24pm UTC](https://forums.plex.tv/t/sonic-analysis-not-running/860748 "2023-11-26T18:24:36Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![garry\_gryan\_net](https://avatars.discourse-cdn.com/v4/letter/g/9dc877/32.png) [@garry\_gryan\_net](https://forums.plex.tv/u/garry_gryan_net)\
**Post date:** [November 26, 2023, 6:24pm UTC](https://forums.plex.tv/t/sonic-analysis-not-running/860748/1 "2023-11-26T18:24:36Z")

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Server Version#: 1.32.7.7621  
Player Version#:

I have recently upgraded to a new PC running Windows 11. Sonic analysis worked fine on my previous PC. On my new PC, I can access my libraries. Plex has fetched metadata and rebuilt databases, but has not run a sonic analysis. Nor has it inserted credit skips, even though I am a Plex Pass subscriber.

I have set sonic analysis to run in each of the libraries I want to run it on.  
In Settings…library, I have also selected to analyse ‘as a scheduled task and when media is added’.  
However, the sonic analysis does not run. Do you have any suggestions please?

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**Author:** ![tom80H](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/tom80h/32/19753_2.png) [@tom80H](https://forums.plex.tv/u/tom80H)\
**Post date:** [November 26, 2023, 6:46pm UTC](https://forums.plex.tv/t/sonic-analysis-not-running/860748/2 "2023-11-26T18:46:59Z")

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How recent was that upgrade of yours and how many albums/tracks are we talking about?  
Depending on your library size the initial sonic analysis can take quite some time during the scheduled maintenance window – iirc the results will only show when that’s actually finished.

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**Author:** ![garry\_gryan\_net](https://avatars.discourse-cdn.com/v4/letter/g/9dc877/32.png) [@garry\_gryan\_net](https://forums.plex.tv/u/garry_gryan_net)\
**Post date:** [November 26, 2023, 6:52pm UTC](https://forums.plex.tv/t/sonic-analysis-not-running/860748/3 "2023-11-26T18:52:37Z")

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Thanks Tom. Plex ran happily under my old system and I did a sonic analysis (which took over a week) on it.  
The upgrade occurred 3 days ago.

Update to this problem: I have now been able to initiate the sonic analysis by going to the webapp and scanning libraries from there. Previously, I had been trying to do this through the Windows desktop app. I don’t know why it has made a difference, but it is now running happily and scanning about 2 albums a minute.

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**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [February 24, 2024, 6:53pm UTC](https://forums.plex.tv/t/sonic-analysis-not-running/860748/4 "2024-02-24T18:53:21Z")

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