which log file?
Crawling them now as I was just able to replicate the issue, here is what I see in the Media Server 1 log. (sanitized a little)
Nov 19, 2020 13:37:34.366 [8792] DEBUG - Audio Stream: 942479, Subtitle Stream: -1
Nov 19, 2020 13:37:34.367 [8792] DEBUG - MDE: Selected protocol http; container: mp4
Nov 19, 2020 13:37:34.367 [8792] DEBUG - MDE: analyzing media item 353812
Nov 19, 2020 13:37:34.367 [8792] DEBUG - MDE: Broken Movie (1985): no direct play video profile exists for http/mkv/h264
Nov 19, 2020 13:37:34.368 [8792] DEBUG - MDE: Broken Movie (1985): no direct play video profile exists for http/mkv/h264/aac
Nov 19, 2020 13:37:34.368 [8792] DEBUG - MDE: Broken Movie (1985): selected media 0 / 353812
Nov 19, 2020 13:37:34.368 [8792] DEBUG - Versions: version file path is â\SERVERNAME\Content\Video\Movies\Disney Collection\Plex Versions\Optimized for Mobile\Broken Movie (1985).mp4â
Nov 19, 2020 13:37:34.373 [9028] DEBUG - It took 0.000000 ms to retrieve 105 items.
Nov 19, 2020 13:37:34.379 [9028] DEBUG - It took 0.000000 ms to retrieve 109 items.
Nov 19, 2020 13:37:34.381 [9028] DEBUG - It took 0.000000 ms to retrieve 102 items.
Nov 19, 2020 13:37:34.384 [1796] DEBUG - Completed: [192.168.1.147:52686] 200 GET /playQueues/1 (13 live) TLS GZIP 18ms 2070 bytes (pipelined: 1)
Nov 19, 2020 13:37:34.389 [8792] DEBUG - TranscodeJobManager: [Running] processJob (transcode) 9d5f0c5c-9241-499a-9518-ce3358d940b4
Nov 19, 2020 13:37:34.389 [7628] DEBUG - TranscodeJobManager: processing job 9d5f0c5c-9241-499a-9518-ce3358d940b4
Nov 19, 2020 13:37:34.391 [8792] DEBUG - BPQ: scheduled transcode for version metadata item 35830
Nov 19, 2020 13:37:34.391 [7628] DEBUG - TranscodeJobManager: initiating transcode of metadata item 35830
Nov 19, 2020 13:37:34.391 [7628] DEBUG - Cleaning directory for session 9d5f0c5c-9241-499a-9518-ce3358d940b4 ()
Nov 19, 2020 13:37:34.392 [7628] DEBUG - Starting a transcode session 9d5f0c5c-9241-499a-9518-ce3358d940b4 at offset -1.0 (state=3)
Nov 19, 2020 13:37:34.392 [7628] DEBUG - Streaming Resource: Added session 0x46b1700:9d5f0c5c-9241-499a-9518-ce3358d940b4
Nov 19, 2020 13:37:34.392 [7628] DEBUG - TPU: hardware transcoding: enabled, but no hardware decode accelerator found
Nov 19, 2020 13:37:34.392 [7628] DEBUG - [Universal] Using local file path instead of URL: \SERVERNAME\Content\Video\Movies\Disney Collection\Broken Movie.mkv
Nov 19, 2020 13:37:34.393 [7628] DEBUG - HTTP requesting GET http://127.0.0.1:32400/library/streams/1265265?X-Plex-Token=xxxxxxxxxxxxxxxxxxxx
Nov 19, 2020 13:37:34.393 [9028] DEBUG - Request: [127.0.0.1:52223 (Loopback)] GET /library/streams/1265265 (14 live) GZIP Signed-in Token (CojakSilverBack)
Nov 19, 2020 13:37:34.394 [8792] DEBUG - It took 0.000000 ms to retrieve 109 items.
Nov 19, 2020 13:37:34.395 [9028] DEBUG - Calculated media file path for path [file://SERVERNAME/Content2/Movies/Disney/Broken%Movie.en.srt]: ["\SERVERNAME\Content2\Movies\Disney\Broken Movie.en.srt"]
Nov 19, 2020 13:37:34.400 [9028] ERROR - Couldnât check for the existence of file â\SERVERNAME\Content2\Movies\Disney\Broken Movie.en.srtâ: boost::filesystem::status: The network name cannot be found: â\SERVERNAME\Content2\Movies\Disney\Broken Movie.en.srtâ
Nov 19, 2020 13:37:34.400 [9028] ERROR - Couldnât find the file to stream: \SERVERNAME\Content2\Movies\Disney\Broken Movie.en.srt
Nov 19, 2020 13:37:34.400 [1904] DEBUG - Completed: [127.0.0.1:52223] 404 GET /library/streams/1265265 (14 live) GZIP 7ms 331 bytes
Nov 19, 2020 13:37:34.400 [7628] DEBUG - HTTP 404 response from GET http://127.0.0.1:32400/library/streams/1265265?X-Plex-Token=xxxxxxxxxxxxxxxxxxxx
Nov 19, 2020 13:37:34.401 [7628] ERROR - Error configuring transcoder: TPU: Failed to download sub-stream to temporary file
Nov 19, 2020 13:37:34.401 [7628] DEBUG - Streaming Resource: Terminated session 0x46b1700:9d5f0c5c-9241-499a-9518-ce3358d940b4 with reason Conversion failed. The transcoder failed to start up.
Nov 19, 2020 13:37:34.401 [0624] DEBUG - Killing job.
Nov 19, 2020 13:37:34.401 [0624] DEBUG - Job was already killed, not killing again.
Nov 19, 2020 13:37:34.401 [0624] DEBUG - Stopping transcode session 9d5f0c5c-9241-499a-9518-ce3358d940b4
Nov 19, 2020 13:37:34.406 [0624] DEBUG - Transcoder: Cleaning old transcode directories.
Nov 19, 2020 13:37:34.407 [0624] DEBUG - Transcoder: Cleaning old transcode directory: âD:\plex\AppData\Plex Media Server\Cache\Transcode\Sessions\plex-transcode-9d5f0c5c-9241-499a-9518-ce3358d940b4-ac25c2cc-8c8c-4c3f-a185-fc740d377685â
Nov 19, 2020 13:37:34.407 [0624] DEBUG - Whacked session 9d5f0c5c-9241-499a-9518-ce3358d940b4, 0 remaining.
Nov 19, 2020 13:37:34.411 [7628] DEBUG - TranscodeJobManager: [Running] job 9d5f0c5c-9241-499a-9518-ce3358d940b4 complete - failure / transcoderError
Nov 19, 2020 13:37:34.445 [8792] DEBUG - Weâre going to try to auto-select an audio stream for account 1.
Nov 19, 2020 13:37:34.445 [8792] DEBUG - Selecting best audio stream for part ID 412212 (autoselect: 1 language: en)
Nov 19, 2020 13:37:34.445 [8792] DEBUG - Weâre going to try to auto-select a subtitle.
Nov 19, 2020 13:37:34.445 [8792] DEBUG - Audio Stream: 942272, Subtitle Stream: -1
Nov 19, 2020 13:37:34.446 [8792] DEBUG - Codecs: testing aac_mf (encoder)
Nov 19, 2020 13:37:34.447 [8792] INFO - [FFMPEG] - MFT name: âMicrosoft AAC Audio Encoder MFTâ
Nov 19, 2020 13:37:34.448 [8792] DEBUG - MDE: Selected protocol http; container: mp4
Nov 19, 2020 13:37:34.448 [8792] DEBUG - MDE: analyzing media item 353791
Nov 19, 2020 13:37:34.448 [8792] DEBUG - MDE: Bolt (2008): no direct play video profile exists for http/mkv/h264
Nov 19, 2020 13:37:34.448 [8792] DEBUG - MDE: Bolt (2008): no direct play video profile exists for http/mkv/h264/mp3
Nov 19, 2020 13:37:34.448 [8792] DEBUG - Codecs: testing aac_mf (encoder)
Nov 19, 2020 13:37:34.448 [8792] INFO - [FFMPEG] - MFT name: âMicrosoft AAC Audio Encoder MFTâ
Nov 19, 2020 13:37:34.449 [8792] DEBUG - MDE: Cannot direct stream audio stream due to codec mp3 when profile only allows aac
Nov 19, 2020 13:37:34.449 [8792] DEBUG - MDE: Bolt (2008): selected media 0 / 353791
Nov 19, 2020 13:37:34.450 [8792] DEBUG - Versions: version file path is â\SERVERNAME\Content\Video\Movies\Disney Collection\Plex Versions\Optimized for Mobile\NextMovie(2008).mp4â
Nov 19, 2020 13:37:34.469 [8792] DEBUG - It took 15.625000 ms to retrieve 105 items.
Nov 19, 2020 13:37:34.613 [9028] DEBUG - Request: [127.0.0.1:52224 (Loopback)] GET /library/metadata/250788 (14 live) GZIP Signed-in Token (CojakSilverBack)
Nov 19, 2020 13:37:34.616 [9028] DEBUG - Last refresh (2020-11-19 08:14:28) appears to be older than directory change time (2020-11-19 08:21:14), need to refresh local media agent.
Nov 19, 2020 13:37:34.616 [8792] DEBUG - Weâre going to try to auto-select an audio stream for account 1.