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VMware View Architecture Planning Guide
USB devices that do not appear in the menu, but are available in a View desktop, include smart card readers
and human interface devices such as keyboards and pointing devices. The View desktop and the local computer
use these devices at the same time.
This feature has the following limitations:
When you access a USB device from a menu in View Client and use the device in a View desktop, you
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cannot access the device on the local computer.
USB redirection is not supported on Windows 2000 systems or for View desktops sourced from Microsoft
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Terminal Servers.
Printing from a View Desktop
The virtual printing feature allows end users to use local or network printers from a View desktop without
requiring that additional print drivers be installed in the View desktop. For each printer available through this
feature, you can set preferences for data compression, print quality, double-sided printing, color, and so on.
After a printer is added on the local computer, View adds that printer to the list of available printers on the
View desktop. No further configuration is required. Users who have administrator privileges can still install
printer drivers on the View desktop without creating a conflict with the virtual printing component.
To send print jobs to a USB printer, you can either use the USB redirection feature or use the virtual printing
feature.
In addition, the location-based printing capabilities as of View 4.5 allow IT organizations to map View desktops
to the printer that is closest to the endpoint client device. For example, as a doctor moves from room to room
in a hospital, each time the doctor prints a document, the print job is sent to the nearest printer.
Streaming Multimedia to a View Desktop
Wyse MMR (multimedia redirection) enables full-fidelity playback when multimedia files are streamed to a
View desktop.
The MMR feature supports the media file formats that the client system supports, because local decoders must
exist on the client. File formats include MPEG2, WMV, AVI, and WAV, among others.
This feature has the following limitations:
For best quality, use Windows Media Player 10 or later, and install it on both the local computer, or client
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access device, and the View desktop.
The Wyse MMR port, which is 9427 by default, must be added as a firewall exception in the View desktop.
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MMR is not supported on Windows 7 clients or virtual desktops.
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Although MMR is not supported on Windows 7 virtual desktops, if the Windows 7 desktop has 1GB of
RAM and 2 virtual CPUs, you can use PCoIP to play 480p- and 720p-formatted videos at native resolutions.
For 1080p, you might need to make the window smaller than full screen size.
Using Single Sign-On for Logging In to a View Desktop
The single-sign-on (SSO) feature allows you to configure View Manager so that end users are prompted to log
in only once.
If you do not use the single-sign-on feature, end users must log in twice. They are first prompted to log in to
View Connection Server and then are prompted log in to their View desktop. If smart cards are also used, end
users must sign in three times because users must also log in when the smart card reader prompts them for a
PIN.
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VMware, Inc.
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