To support Windows Media Multimedia Redirection (MMR), your View deployment must meet certain software and hardware requirements. Windows Media MMR is provided in Horizon 6.0.2 and later releases.

View remote desktop

  • This feature is supported on VDI desktops that are deployed on single-user virtual machines and on RDS desktops.

    View Agent 6.1.1 or later is required to support this feature on RDS desktops.

    View Agent 6.0.2 or later is required to support this feature on single-user machines.

  • The following guest operating systems are supported:

    • 64-bit or 32-bit Windows 7 SP1 Enterprise or Ultimate (single-user machine). Windows 7 Professional is not supported.

    • 64-bit or 32-bit Windows 8/8.1 Professional or Enterprise (single-user machine)

    • Windows Server 2008 R2 configured as an RDS host

    • Windows Server 2012 and 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.

    To use Internet Explorer, you must disable Protected Mode. In the Internet Options dialog box, click the Security tab and deselect Enable Protected Mode.

Horizon Client software

Horizon Client 3.2 for Windows or a later release is required to support Windows Media MMR on single-user machines.

Horizon Client computer or client access device

  • The clients must run 64-bit or 32-bit Windows 7 or Windows 8/8.1 operating systems.

Supported media formats

Media formats that are supported on Windows Media Player are supported. For example: M4V; MOV; MP4; WMP; MPEG-4 Part 2; WMV 7, 8, and 9; WMA; AVI; ACE; MP3; WAV.


DRM-protected content is not redirected through Windows Media MMR.

View policies

In View Administrator, set the Multimedia redirection (MMR) policy to Allow. The default value is Deny.

Back-end firewall

If your View 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.