Yea, the server install (local) has Plex web v4.30.2 but you need a minimum of v4.34 or newer.
Does the video need to be in a specific format to do the detection, for the skip feature to work? Itās working for me with Game of Thrones but the HBO Rome series, it wonāt even start the analysis.
If anyone is wondering, it took about 9 minutes for my server to analyze Season 1 of Brooklyn Nine-Nine and 12 minutes for Season 3 of Game of Thrones.
Yes, good point. I had a PMS update pending and assumes that this includes an update for the Web App, too as the server-side settings were there and seem to work as well.
So, why wasnāt Web v4.34 included in this PMS update? 
For me itās working on both H.264 and HEVC formats.
Without further details and without that show at hand I have to guessā¦
I suppose you triggered the analyze manually but the Plex butler will process those sequentially. So it might be as simple as those episodes not yet having been scanned/analyzed for their intros.
Edit: there should be no restrictions to certain formats (except you found a super antiquated format that nobody has been using in decades 
Beyond thatā¦ keep in mind there are some restrictions:
A few things to note:
Short intros of less than 20 seconds are ignored.
Intros ending more than 10 minutes into an episode will not be detected.
If you have multiple copies of the same episode only one will be analyzed to try and detect the intro.
Alsoā¦ this is quite some heavy lifting. The analysis takes pretty long. My server started sometime around noon (CET) and is still busy analyzing my shows (and I donāt have tons of them).
The version of Plex Web thatās shipped is always a few releases behind. Consider the hosted version (http://app.plex.tv/desktop) the beta where you get the latest/newest/shiniest stuff while the version installed alongside your server is targeting to be a more stable release, tested already for some more time.
Itāll be shipped with one of the upcoming PMS updates (no ETA).
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@tom80H Any way to trigger the task via CLI or at a show/library level? Obviously doesnāt seem feasible to do it per season, and waiting for the butler tasks to do it could take years for larger libraries.
huh, strange, looking back at my video library, I have HBO Game of Thrones in mkv, which will analyze, but HBO Rome in mp4, no dice. Both shows encoded using the h.264 codec.
Itās not about the codecā¦ probably just takes some time for Plex to digest all those seasons (lengthy process etc.).
@All: just a heads upā¦ Plex has just released Plex for Windows/Mac version 1.11.0 (desktop client). This new release also supports skip-intro!
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Apologiesā¦ I donāt know. Will let you know if I run over that information.
I consider it just takes a moment (some hours) to digest all those seasons ā triggering the analysis via CLI wonāt speed that up
Right, the issue isnāt the task itself, but just triggering it to start running for each show in my library. Currently, you can only trigger the task by selecting Analyze on the season page, so I would need to do that for each season of each show. I assumed there would be a way via CLI to maybe have it run this task for a full library
Or you let the Butler do that job over night (for now).
Weāre talking bout a one-off task that should otherwise only happen when you add new content
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Confirmed - does exactly squat - nothing - nada - zip.
Did you keep reading after that? @Lamium got it working by following the suggestions.
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No. Juice prefers a big entrance and spreading some confusion ā wellā¦ at least from time to timeā¦ donāt you? 
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If at least itās just confusion.
Is it possible to just start the PlexMediaScanner.exe via command line and with the arguments from the log files?
When analyzing a single item or season, the following parameter is added, which is missing when analyzing a whole show or library:
--server-action intro
So can we just run that code for a whole section=library? For example for library ā3ā:
"C:\Program Files (x86)\Plex\Plex Media Server\Plex Media Scanner.exe" --analyze --server-action intro --section 3 --log-file-suffix " Analysis"
EDIT: Does not work unfortunately.
I can only report that Analyse does nothing from Show/Season or Episode level, the confusion being that Plex has announced a feature that doesnāt work yet.
Thereās also an announcement about the feature now being made āRoku Readyā in a an app version update neither of mine have updated to yet.
Yes - there is a bit of confusion, but Iām only the victim of it, not itās author.
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