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The first property in this example tells Horizon Client to allow mouse devices to be redirected to a View
desktop. The second property overrides the first and tells Horizon Client to keep two specific mouse
devices local and not redirect them.
2 Turn on automatic device splitting, but exclude one particular device from splitting. For another
particular device, keep one of its components local and redirect the other components to the remote
desktop:
viewusb.AllowAutoDeviceSplitting = "True"
viewusb.SplitExcludeVidPid = "Vid-03f0_Pid-2a12"
viewusb.SplitVidPid = "Vid-0911_Pid-149a(exintf:03)"
viewusb.IncludeVidPid = "Vid-0911_Pid-149a"
Composite USB devices consist of a combination of two or more devices, such as a video input device
and a storage device. The first property in this example turns on automatic splitting of composite
devices. The second property excludes the specified composite USB device (Vid-03f0_Pid-2a12) from
splitting.
The third line tells Horizon Client to treat the components of a different composite device
(Vid-0911_Pid-149a) as separate devices but to exclude the following component from being redirected:
the component whose interface number is 03. This component is kept local.
Because this composite device includes a component that is ordinarily excluded by default, such as a
mouse or keyboard, the fourth line is necessary so that the other components of the composite device
Vid-0911_Pid-149a can be redirected to the View desktop.
The first three properties are splitting properties. The last property is a filtering property. Filtering
properties are processed before splitting properties.
IMPORTANT These client configuration properties might be merged with or overridden by corresponding
policies set for View Agent on the remote desktop. For information about how USB splitting and filtering
properties on the client work in conjunction with View Agent USB policies, see the topics about using
policies to control USB redirection, in the View Administration document.
USB Device Families
You can specify a family when you are creating USB filtering rules for Horizon Client, or View Agent or
Horizon Agent.
NOTE Some devices do not report a device family.
Table 6‑2. USB Device Families
Device Family
Name Description
audio
Any audio-input or audio-output device.
audio-in
Audio-input devices such as microphones.
audio-out
Audio-output devices such as loudspeakers and headphones.
bluetooth
Bluetooth-connected devices.
comm
Communications devices such as modems and wired networking adapters.
hid
Human interface devices excluding keyboards and pointing devices.
hid-bootable
Human interface devices that are available at boot time excluding keyboards and pointing devices.
imaging
Imaging devices such as scanners.
keyboard
Keyboard device.
mouse
Pointing device such as a mouse.
Chapter 6 Configuring USB Redirection on the Client
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