HDX MediaStream Hotfix HDXFlash200WX64008 - For Citrix XenApp 6.5 for Windows Server 2008 R2 - English

HDX MediaStream Hotfix HDXFlash200WX64008 - For Citrix XenApp 6.5 for Windows Server 2008 R2 - English

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Article ID: CTX141429

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Updated On:

Description

Hotfix package name: HDXFlash200WX64008.zip
For: Computers running Windows Server 2008 R2 with XenApp 6.5 installed
Replaces: CitrixHDXMediaStreamForFlash-ServerInstall-x64.msi
Date: October, 2014
Languages supported: English (US), German (DE), Spanish (ES), French (FR), Japanese (JA)
Readme version: 1.01

Readme Revision History

VersionDateChange Description
1.01June, 2015Various documentation updates.
1.00October, 2014Initial release

Important Notes about This Release

  • This release is based on HDX MediaStream for Flash 2.0.0. Any known issues in Version 2.0.0 of the product, except for the specific issues resolved in this release, still apply.
  • This release introduces a number of fixes related to the HDX MediaStream Flash Redirection feature. For detailed information about specific versions of Internet Explorer and Adobe Flash supported by these fixes, websites we tested them against, as well as known issues and workarounds, see Knowledge Center article CTX136588.
  • Caution! This release may require you to edit the registry. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

Where to Find Documentation

This document describes the issue(s) resolved by this release and includes installation instructions. For additional product information, see Citrix Product Documentation.

New Fixes in This Release

  1. Browsing certain Web sites with HDX MediaStream Flash Redirection enabled can cause the PseudoContainer2.exe process to exit unexpectedly.

    To enable this fix, you must set the following registry key on the server:

    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\HdxMediaStreamForFlash\Server\PseudoServer
    Name: SupportedUrlHeads
    Type: REG_MULTI_SZ
    Data: <each value on a separate line, null separated:>
    http://
    https://
    file://

    Note: To provide a better browsing experience with HDX Flash, Citrix recommends that you also install Receiver Fix #LA5255 (Citrix Receiver for Windows 3.4 Cumulative Update 3 or its replacement) on the endpoint.

    [From HDXFlash200WX64008][#LA4151]

  2. If HDX MediaStream Flash Redirection is enabled, opening and closing multiple tabs in Internet Explorer with Flash content can cause Internet Explorer to exit unexpectedly.

    [From HDXFlash200WX64008][#LC0375]

  3. When using Microsoft Internet Explorer 9 and later versions of the browser, if you click a link to a Flash redirected video while another Flash redirected video is already playing, the audio streams of the two videos overlap.

    This fix does not eliminate the issue, but setting the following registry key on the server allows you to shorten the amount of time during which it occurs:

    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\HdxMediaStreamForFlash\Server\PseudoServer
    Name: UrlListForTerminationFlashInst
    Type: REG_MULTI_SZ
    Data: <URLs of affected websites; include both http:// and https://, each on a separate line; for example: http://www.youtube.com/; https://www.youtube.com/>

    [From HDXFlash200WX64008][#LC0453]

  4. When using Microsoft Internet Explorer 9 or later, Flash redirection can fail for videos embedded in websites. A black rectangle appears in place of the video.

    To enable this fix, you must set the following registry key:

    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\HdxMediaStreamForFlash\Server\PseudoServer
    Name: WorkWithAeroEnabled
    Type: REG_DWORD
    Data: 0

    [From HDXFlash200WX64008][#LC0477]

  5. After using YouTube's built-in Search field In Microsoft Internet Explorer 8 and later versions of the browser, HDX Flash Redirection reverts to server-side rendering.

    To enable this fix, you must set the following registry key on the server:

    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\HdxMediaStreamForFlash\Server\PseudoServer
    Name: SupportedUrlHeads
    Type: REG_MULTI_SZ
    Data: <each value on a separate line, null separated>
    http://
    https://
    file://

    Note: SupportedUrlHeads was first introduced in Fix #LA4151. It is also used by this fix. If you add SupportedUrlHeads to the Registry, Flash Redirection ignores a Flash instantiation request unless the targeted URL starts with one of the headers specified in SupportedUrlHeads.

    [From HDXFlash200WX64008][#LC0505]

  6. Flash redirection fails for videos embedded on cnn.com and msn.com. A black rectangle appears in place of the video.

    In order to enable this fix, you must set the following registry keys:

    HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\HdxMediaStreamForFlash\Server\PseudoServer\ASJSCallbacks

    For cnn.com:

    Name: cnn.com
    Type: REG_MULTI_SZ

    Data: javaScriptLoaded
     setQueueAutoplay
    setAdVisibility
    setPlayerMode
    setAdSection
    setAdKeyValue
    playContent
    getContentEntry
    switchTrackingContext

    For msn.com:

    Name: msn.com
    Type: REG_MULTI_SZ

    Data: MsnVideoCallback
     MsnVideoPropertyCallback
     GetWidgetID

    Note: This fix works only for Internet Explorer 9 and later.

    [From HDXFlash200WX64008][#LC0665]

Fixes from Replaced Hotfixes

  1. At times of heavy logon/logoff activity, one or more of the following can be observed:

    • Applications can exit unexpectedly.
    • During logon attempts, an Error 1030 appears on the endpoint.
    • During logoff attempts, the Virtual Desktop Agent returns to the Logon screen and the endpoint continues to display the Desktop Viewer.

    [From HDXFlash200WX64001][#LA0388]

  2. Accessing certain Web sites with Internet Explorer and HDX MediaStream for Flash enabled can cause the Web page to become unresponsive, displaying only a cyan background.

    [From HDXFlash200WX64001][#LA0645]

  3. Server-side content fetching can exhibit poor performance in restrictive WAN conditions due to the lack of flow control in the Flash Virtual Channel. This fix corrects the flow control for the Flash Virtual Channel and provides smooth playback of Flash objects. For information about configuring server-side content fetching, see http://support.citrix.com/proddocs/topic/xendesktop-als/hd-flash-configure-server-ad.html.

    To enable this fix in its entirety, you must install both a client hotfix that contains Fix #LA0686 and:

    • For XenApp: an HDX Flash hotfix that contains Fix #LA0686
    • For XenDesktop: a Virtual Desktop Agent hotfix that contains Fix #LA0686

    [From HDXFlash200WX64001][#LA0686]

  4. With server-side content fetching enabled, Flash content can take unexpectedly long (up to six minutes) to start rendering in the session.

    [From HDXFlash200WX64001][#LA1149]

  5. With HDX Mediastream for Flash enabled, opening and closing multiple tabs in Internet Explorer with Flash content can cause Internet Explorer to become unresponsive.

    [From HDXFlash200WX64001][#LA1216]

  6. HDX MediaStream Flash redirection does not work for any site when the "Flash URL compatibility list" policy is enabled and a site is added to the list - regardless whether it specified to render on the server, on the client, or to be blocked.

    [From HDXFlash200WX64002][#LA1077]

  7. With HDX MediaStream Flash Redirection enabled, Web sites with Flash content can experience delays of up to 10 seconds to load.

    [From HDXFlash200WX64003][#LA1962]

  8. Microsoft Internet Explorer might exit unexpectedly, referencing pseudoserverinproc2.dll, with certain types of Flash content on Web pages.

    [From HDXFlash200WX64003][#LA1979]

  9. With Adobe Flash Player ActiveX 11.3 installed on the endpoint device, Flash content cannot be redirected to be rendered on the client; instead, the content is rendered on the server.

    To enable this fix in its entirety, you must install both a client hotfix that contains Fix #LA2283 and:

    • For XenApp: an HDX Flash hotfix that contains Fix #LA2283
    • For XenDesktop: a Virtual Desktop Agent hotfix that contains Fix #LA2283

    [From HDXFlash200WX64003][#LA2283]

  10. With Adobe Flash Player ActiveX 11.4 installed on the endpoint device, Flash content cannot be redirected to be rendered on the client; instead, the content is rendered on the server.

    To enable this fix in its entirety, you must install both a client hotfix that contains Fix #LA2565 and:

    • For XenApp: an HDX Flash hotfix that contains Fix #LA2565
    • For XenDesktop: a Virtual Desktop Agent hotfix that contains Fix #LA2565

    [From HDXFlash200WX64003][#LA2565]

  11. The HDX MediaStream Flash Redirection feature might fail to work. The issue occurs when the short path expansion is disabled on the server, which prevents hdxflashhook.dll from loading pseudoserverInprocloader.dll.

    [From HDXFlash200WX64004][#LA2945]

  12. In scenarios where the Enable server-side content fetching policy is enabled on the server and the Flash server-side content fetching URL list setting is configured for the Flash Redirection policy on the client, attempts to play Flash content fail if the URL to the content contains multibyte/unicode characters such as those common in Asian languages

    To enable this fix in its entirety, you must install both a client hotfix that contains Fix #LA1621 and:

    • For XenApp: an HDX Flash hotfix that contains Fix #LA1621
    • For XenDesktop: a Virtual Desktop Agent hotfix that contains Fix #LA1621

    Note: This fix also requires the corresponding language code pages to be installed on both the client and the server. The code pages are installed by default by the Windows operating system. For example, the Japanese distribution of Windows 7 installs the Japanese code pages by default. However, if you are using a URL with Japanese characters on an English distribution of Windows 7, the Japanese code pages must be installed explicitly. This applies to both the client and the server because the URLs are transferred from the client to the server when server-side content fetching is enabled.

    [From HDXFlash200WX64005][#LA1621]

  13. Microsoft Internet Explorer might exit unexpectedly, referencing pseudoserverinproc2.dll, with certain types of Flash content on Web pages.

    [From HDXFlash200WX64005][#LA2151]

  14. This fix improves load times of Flash videos when HDX MediaStream Flash Redirection is enabled.

    [From HDXFlash200WX64006][#LA3232]

  15. After installing the latest version of Adobe Flash Player and attempting to play Flash videos, Internet Explorer might incorrectly display the following error message even if the correct version is installed:

    "You need Adobe Flash Player to watch this video."

    [From HDXFlash200WX64006][#LA3475]

  16. With HDX Mediastream for Flash enabled, opening and closing multiple tabs in Internet Explorer with Flash content can cause Internet Explorer to exit unexpectedly.

    [From HDXFlash200WX64007][#LA3065]

  17. The Windows Event Log Service can exit unexpectedly. The issue occurs when the Flash Redirection feature attempts to acquire a message using English Language ID: 0x409 (1033) for Japanese HDXFlashEventMessages.dll.

    [From HDXFlash200WX64007][#LA4679]

  18. On systems with Hotfix HDXFlash200WX64005 installed, Microsoft Internet Explorer might exit unexpectedly, referencing pseudoserverinproc2.dll, when using the HDX MediaStream Flash Redirection feature.

    [From HDXFlash200WX64007][#LA4742]

  19. Microsoft Internet Explorer might exit unexpectedly, referencing pseudoserverinproc2.dll, if Adobe Flash Player 11.8.800.168 or later is installed.

    [From HDXFlash200WX64007][#LA4996]

Installing and Uninstalling this Release

Notes:

  • This release is packaged as a .zip file containing the replacement CitrixHDXMediaStreamForFlash-ServerInstall-x64.msi. For more information about deploying msi files, see Microsoft article 884016 or visit the Microsoft Web site and search on keyword msiexec.
  • Important: Before upgrading from the HDX MediaStream for Flash Version 2.0 (Second Generation Flash Redirection) base installation, you must uninstall the base installation from the system. Failure to do so results in multiple entries of the HDX Flash component in Programs and Features.
  • Caution: Downgrades, also known as rollbacks, from this upgrade are not supported and might leave your systems in an unstable state. This upgrade does not patch the existing installation - it fully replaces it with a new installation. As a result, uninstalling this package removes the entire component from the computer. If the need arises to revert to an earlier version of the product, you must uninstall this package and then reinstall the earlier version of the product. Reverting to an earlier version of the product might result in the loss of settings you configure while this upgrade is installed.
  • To install this package successfully, target computers must not have registry modification restrictions in place.
  • This hotfix might or might not prompt you to restart the server when the installation or uninstallation is complete. You must restart the server for the installation to complete.
  • If the need arises to restore the original settings and functionality provided by this hotfix, you must uninstall the hotfix before reinstalling it according to the installation instructions below.

To install this hotfix:

  1. Copy the file to a shared folder on the network.
  2. Extract the compressed file and save the file CitrixHDXMediaStreamForFlash-ServerInstall-x64.msi on the XenApp server that you want to update.
  3. Run the .msi file.
  4. Restart the computer.

To uninstall this hotfix:

  1. From the Start menu, select Settings > Control Panel.
  2. In Control Panel, double-click Add/Remove Programs.
  3. Highlight the hotfix you want to uninstall and click Remove.
  4. Follow the directions on-screen.

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