④ The bit rate of the MKV is higher than Plex request. ③ The MKV video is not compatible with the devices that installed Plex media server. ② You have turned off the Direct Play and Direct Stream option in Plex by accident.

① Your MKV is packed with soft subtitle streams. Given this, why your MKV file is still required to be transcoded? Why Plex not recognizing your MKV files? There are many situations that can lead to this issue, for example: This means if your MKV is encoded with the above video and audio codec, it should be able to direct play on Plex. Video encoding: H.264, hevc (H.265), mpeg4, msmpeg4v2, msmpeg4v3, vc1, vp9, wmv3Īudio encoding: aac, ac3, alac, e-ac3,flac, mp3 MKV format/codec is not supported or MKV media with higher bitrate or with soft subtitlesĬhecked everything OK but still encounter MKV playback issues? Why my MKV file is being transcoded by Plex? Feeling frustrated? Well, accoording to the, MKV with the following video and audio encoding is natively supported by Plex. Depending on your library settings, movies might be automatically associated with a collection and only display inside that collection. Movie Name-part 1.ext and Movie Name-part 2.ext will result in an entry called Movie Name which will play both entries in sequence).ģ. MKV files following the naming convention for multi-file movies end up as a single record in your library (e.g. However, I found it's stuttering on when playing large 4K HEVC MKV files via Plex.Ģ. Plex picks up pretty much any file with that setting. To solve it, you can set 'Scanner' as 'Personal Video Files Scanner' and 'Agent' as 'Personal Media'. For example, if all of mkv videos are all Sports videos so the names, there were kind of random. In such a situation, make sure the whole file names were being recognized by Plex. If random named MKV video not showing in Plex, you may find it in 'rencently_added' column. Poor named MKV movies might have been matched as a different movie. To be specific, there's a number of potential scenarios how Plex not working with MKV and below are some of them.ġ.

Why Plex won't recognize the MKV files while scanning library files? Actually, it can be caused by various reasons. Possible Reasons for Plex Won't Recognize MKV or Play MKV Files Smoothly How Fix MKV Files Not Showing Up in Plex Library Error.Possible Reasons for Plex Won't Recognize MKV or Play MKV Files Smoothly.

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