To support Windows Media Multimedia Redirection (MMR), your VMware Horizon deployment must meet certain software and hardware requirements.

Remote desktop
  • This feature is supported on virtual desktops and RDS hosts for published desktops.
  • The following guest operating systems are supported.
    • 64-bit Windows 10. Windows Media Player is supported. The default player TV & Movies is not supported.
    • Windows Server 2012 R2 configured as an RDS host
  • 3D Rendering can be enabled or disabled on the desktop pool.
  • Users must play videos on Windows Media Player 12 or later or in Internet Explorer 8 or later.
Horizon Client software
Horizon Client for Windows.
Horizon Client computer or client access device
The clients must run a 64-bit or 32-bit Windows 10 operating system.
Supported media formats
Media formats that Windows Media Player supports, for example: M4V; MOV; MP4; WMP; MPEG-4 Part 2; WMV 7, 8, and 9; WMA; AVI; ACE; MP3; WAV.
MP3 is not supported when using MMS and RTSP.
Note: DRM-protected content is not redirected through Windows Media MMR.
Horizon policies
In Horizon Console, set the Multimedia redirection (MMR) policy to Allow. The default value is Deny.
Back-end firewall
If your VMware Horizon deployment includes a back-end firewall between your DMZ-based security servers and your internal network, verify that the back-end firewall allows traffic to port 9427 on your desktops.