Hotfix package name: XAE500R01W2K8X64004.MSP
For: Citrix XenApp 5.0 for Windows Server 2008 64-bit Edition with Hotfix Rollup Pack XAE500W2K8X64R01
Replaces: None
Date: March, 2011
Language supported: English (US)
Readme version: 1.01

Readme Revision History

Important Note(s) about This Release

• Important: Installing this hotfix over an ICA session is not supported but you can install it through a remote desktop session using an administrator account.
• Caution! This hotfix 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.

Important Disclaimer - Limited Release Hotfix

This limited release hotfix is available only upon request. Contact Citrix technical support to obtain the hotfix package. The fix(es) or enhancement(s) contained in this hotfix will be included in a future service pack, hotfix rollup pack, or version release for this product. Testing of this hotfix was targeted only at the affected functionality, and regression and stress testing were minimal. Therefore, this hotfix might cause undesirable and unknown side effects. Introduce this hotfix to a test environment for evaluation before deploying it to a production environment. Your use of this hotfix is at your own risk.

TO THE EXTENT PERMITTED BY APPLICABLE LAW, CITRIX AND ITS SUPPLIERS MAKE AND YOU RECEIVE NO WARRANTIES OR CONDITIONS, EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, AND CITRIX AND ITS SUPPLIERS SPECIFICALLY DISCLAIM WITH RESPECT TO THE HOTFIX ANY CONDITIONS OF QUALITY, AVAILABILITY, RELIABILITY, SECURITY, LACK OF VIRUSES, BUGS OR ERRORS, OR SUPPORT AND ANY IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF TITLE, QUIET ENJOYMENT, QUIET POSSESSION, MERCHANTABILITY, NONINFRINGEMENT, OR FITNESS FOR A PARTICULAR PURPOSE. TO THE EXTENT PERMITTED BY APPLICABLE LAW, NEITHER CITRIX, NOR ITS SUPPLIERS SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL, MULTIPLE, PUNITIVE OR OTHER DAMAGES (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF DATA, LOSS OF INCOME, LOSS OF OPPORTUNITY, LOST PROFITS, COSTS OF RECOVERY OR ANY OTHER DAMAGES), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, AND WHETHER OR NOT FOR BREACH OF CONTRACT, NEGLIGENCE OR OTHERWISE, AND WHETHER OR NOT CITRIX, ITS SUPPLIERS, OR LICENSORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Where to Find Documentation

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

New Fixes in This Release

1. With browser acceleration enabled, attempts to use Internet Explorer to upload JPG or GIF files to a Web server fail. The issue occurs as a result of the way browser acceleration handles MIME types. To enable this fix, must set the following registry keys:

   • On 32-bit Windows:

     HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\SpeedScreen
     Name: MimeFlags
     Type: REG_DWORD
     Data: 1 (to enable fix)

     HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\SpeedScreen
     Name: MimeFlagsType
     Type: REG_DWORD
     Data: 1

   • On 64-bit Windows:

     HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\SpeedScreen
     Name: MimeFlags
     Type: REG_DWORD
     Data: 1 (to enable fix)

     HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\SpeedScreen
     Name: MimeFlagsType
     Type: REG_DWORD
     Data: 1

   [From XAE500R01W2K8X64004][#231266]

Fixes from Replaced Hotfixes

No hotfixes were replaced by this release.

Installing and Uninstalling This Release

Notes:

• This hotfix is packaged with Microsoft Windows Installer 3.0 as a .msp file. For more information about deploying .msp files, see Microsoft article 884016 or visit the Microsoft Web site and search on keyword msiexec.
• This installer program complies with Microsoft User Account Control (UAC). If UAC is enabled, you must run the installer program in elevated mode; that is, with administrative privileges enabled. For more information about UAC, see Microsoft TechNet or visit the Microsoft Web site and search on keyword UAC.
• To install this hotfix successfully, servers 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. If you are using the Access Management Console, you must restart the server after installing or uninstalling this hotfix to ensure that the hotfix is added to or removed from the console's hotfix inventory list.
• 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 hotfix package to an empty folder on the hard drive of the server you want to update.
2. Close all applications.
3. Run the executable.
4. Restart the server.
5. If you are using the Access Management Console, restart the server to ensure the hotfix is added to the console's hotfix inventory list.

To uninstall this hotfix:

1. From the Start menu, select Control Panel > Programs and Features.
2. Highlight the hotfix you want to uninstall and click Uninstall.
3. Follow the directions on-screen.
4. If you are using the Access Management Console, restart the server to ensure the hotfix is removed from the console's hotfix inventory list.

Files Updated (All Dates/Times UTC)

Copyright © 2011 Citrix Systems, Inc. All rights reserved.
Citrix is a registered trademark, and Citrix Presentation Server and Citrix XenApp are trademarks of Citrix Systems, Inc. in the United States and other countries.
All other trademarks and registered trademarks are the property of their respective owners.