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Dell Wyse ThinOS Version 8.6.1 Administrator's Guide

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Flash Redirection

The Flash Redirection solution is to off-load flash content to the ThinOS client, and locally render and decode the flash playback. The off-loading is conducted by Citrix HDX Flash Redirection. The local rendering and decoding process are conducted by customized flash player and other multimedia process that runs locally on ThinOS.

Supported Environment—Supports only Citrix connections with Citrix Apps 6.5 and later versions and Citrix Apps and Desktops 7.0 and later versions.

Required packages

User must install the FR.i386.pkg package for the feature to work:

Installation of packages

To install the required packages, follow the steps mentioned here:

  1. Upload packages to directory \wnos\pkg\.
  2. Ensure that the INI autoload is not set to 0. Set INI AutoLoad=1 AddPkg=FR in wnos.ini.
  3. Restart the client to read the file server and wait till the auto installation of packages is complete.
    You can view the installed packages in the Packages tab in the System Tools dialog box.
  4. Server configuration for Flash redirection
    1. To ignore the differences in flash player versions, user must add the FlashPlayerVersionComparisonMask and ClientFlashPlayerVersionMinimum registry key on the desktop.
      If it is Citrix Virtual Apps 6.5, IEBrowserMaximumMajorVersion registry key is required to ignore the differences in IE Browser versions.
      From Citrix Virtual Apps and Desktops 7.9, you must add more entries in registry for HDX FR to work. For information about these additional entries, refer to Citrix Technical documents.
  5. Client configuration for Flash redirection
    By default, no client configuration is required. New INI parameters are added to support HDX FR Client configurations, for example, to fetch the server side content. The INI parameters are:
    SessionConfig=ICA\
    HDXFlashUseFlashRemoting=Never | Always (default) \
    HDXFlashEnableServerSideContentFetching=Disabled (default) | Enabled \
    How to verify it is working or not working
    1. Right-click the flash video to know the flash player version. It displays version information of the customized player at ThinOS client side. If the flash player version is different, then it is unsuccessful server rendering.
    2. During the flash playback, the following ThinOS event logs is displayed in the System Information dialog box:

      • FR: Media type video/x-264
      • FR: Media type audio/mpeg
    For information about basic operations on Citrix HDX flash redirection and policies configurations, see Citrix documentation.

    Limitation—Non-Latin URLs are not supported.


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