I admit that I’m still not certain of the cause. That’s what got things working in my browser again. Set the “Transcoder temporary directory” to something that Plex has access to.Click on “Transcoder” in the left-hand pane.Open the settings from your PMS web page (That’s the wrench and screw-driver).Here’s the procedure, spelled out for ya: That’s what did it for me, the relevant screen in the settings: There was a suggestion that Plex needed space to writing transcoding data to. I came across all kinds of solutions: My wife asked me if I’d “ tried turning it off and turning it back on again“, I attempted, but to no avail. So it didn’t sound like it was going to be a transcoding issue. As it turns out, the Synology’s CPU outperforms the one I had put in my FreeNAS box. My existing NAS seemed to do just fine, and I didn’t know what the limitations of the Synology box would be. Stuff that played fine before. Before I’d purchased the Synology, I was concerned that there would be transcoding issues. I thought to myself “Maybe it’s because this is newly ripped stuff, and I ripped the wrong format.” I quickly discovered that most of my Plex library wouldn’t play. Plex just responded with an unhelpful message “Video Unavailable: We’re unable to play this video, make sure the server is running and has access to this video” It broke.įor whatever reason – we sat down at our TV and tried to pull up a video we’d been watching. We recently moved our library from an old home-built NAS running FreeNAS to a Synology DSM box. Lots of people use it, and lots of people like it. Going to skip the usual stuff at the top here and get straight to it 1: Plex is a super-cool, easy-to-use, everywhere media server.

Plex media server unavailable synology