MP4 files in a presenter 13 course won't play

Just to refine what I said above. The mp3 slides aren't stopping the rest working - I just can't pass them until they've "played". They "play" in so far as the reach the end of their 20 second or so length and then I can navigate on to the next part of the course (this makes sense because each slide is locked so the next is only viewable when the previous slide is finished), but the mo3s are still not visible on the screen whilst "playing".

I've now tried deleting and inserting a few different mp4 files and still no luck.

Hi Philip, 

It sounds like the mp4 files worked originally? I'd first check that all your files are on your local drive and that you're testing the published output within the intended environment. Are you unable to play mp4 files in a new Presenter project? 

Hello and HELP! I'm having the same problem. Although the videos weren't created in Articulate Replay, today I opened them all and saved them as MP4 using Replay. I follow all the directions in the tutorial as far as inserting them into my PowerPoint using the Articulate tab... and, upon export and upload to the LMS, they do not play back. In fact, all I can see is the playbar on that page. 

Hi Tina,

Would you be able to create a Presenter package and share the file with us here? 

Hi Ashley

They did publish and play to begin with, but won't since I changed the colours and PowerPoint/quiz maker themes.

I'll email a published zip file when I'm back in the office tomorrow - it's 22:07 here and I don't have my laptop with me.

I have tried putting the same and different mp4s in a new presenter file but get the same problem.

i am working with all files in the default directory articulate studio setup on my c drive on install. 

I've tried publishing for lms use (intended environment) and web use but experience the same problems both ways. 

Does this info help at all?

Hi Philip,

Thanks, that definitely is helpful. Since you're able to recreate the problem with new files in a new project as well, I'd also suggest starting with a repair of Studio in the event something happened during the update to Studio 13 (update 1 was released November 5). There is also a known issue where mp4 videos won't fully download, and that may be something you'd also want to look into especially if they're longer videos it may seem like the video is freezing the course. 

Also, if you'd like to share your files with us, we'll be happy to do some additional testing. 

I've tried the repair, but this hasn't helped. Any other ideas?

Hi Philip,

I just replied in your case as well. 

Hi Ashley

It seems to be playing the mp4s fine now. It started working after I took my laptop off the work network and tried it at home off domain. I think the folder articulate installs in by default is part of the roaming profiles on the network so although I was thinking I wasn't working off a network drive - I was because of the roaming profile.

Strange thing is is that it seems to publish fine when in the office now too!

Thanks for your help.

Thanks Philip for the update, and I'm just glad it's all working now!

This was happening to me also! Very frustrating!  This link really helped: 

http://www.articulate.com/support/presenter-09/mp4-videos-require-a-mime-type-on-your-server-to-play-properly

Glad to hear that, Tina! 

Thanks for sharing :)