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A
Anonymous
November 20, 2013
Question

Flash Player plugin in Firefox does not play sound or crashes when connected via RDP (+RemoteFX)

  • November 20, 2013
  • 1 reply
  • 1333 views

Hello everybody,

I am using Windows 8.1 Enterprise in an VDI infrastructure to connect to my desktop residing in an Hyper-V environment providing also RemoteFX support. Therefore in my virtual desktop to which I connect through RDP a virtual graphic adapter offers direct GPU support and 3D acceleration.

When using Firefox 25.0.1 in combination with the latest relase of Adobe Shockwave Player 11.9.900.152 (tried also several older releases), all embedded videos are only played without sound. Furthermore when trying to play a video on youtube that video starts fine for about 5sec and then an youtube error message is displayed saying something about technical problems.

However, all videos incl. youtube are played flawless when using Internet Explorer on the same desktop.

Is there any solution for that ? Is it a bug or simply not supported ?

Thank you for your help !

This topic has been closed for replies.

1 reply

Z
zedbo
Participant
May 8, 2014

I'm having this exact same problem. Am using Firefox 29.0 and Adobe Flash 13.0 (also tried Silverlight). Am running RemoteFX on Windows 7 32-bit Guest with Hyper-V 2012 R2. I haven't updated to RDP 8.0 on the guest as yet because I was having trouble getting connected with it initially. Might try that and see if it makes any difference. I'll update here if I have any luck. Would love to know if anyone else has experienced this and whether they were able to solve the issue.

Z
zedbo
Participant
May 8, 2014

After a little bit of trial and error, then some digging it turns out flash over RDP/RemoteFX just isn't going to work. I did discover that Vimeo does work fine (sound and all) as it uses its own player, not flash. Here's a link to a discussion on the issue which should exlain it better than I can: How to get good video performance for remote access to virtualized computer? - Super User

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