Hotfix package name: UpsClient710WX64100.zip
For: Computers running 64-bit Windows with one of the following installed:

• XenApp 7.5
• XenApp 6.5 Feature Pack 1
• XenApp 6.5
• XenDesktop 7.5
• XenDesktop 7.1
• XenDesktop 7
• XenDesktop 5.5
• XenDesktop 5.6 Feature Pack 1
• XenDesktop 5.6

Readme Revision History

Important Notes about This Release

• This is the client component of the Citrix Universal Print feature. Install this component on each XenApp and XenDesktop hosts that provisions session network printers and that uses the Universal Printer Driver.
• Check to ensure .NET 3.0 Service Pack 1 Framework (minimum) is installed before installing the client component. This software is required by XenApp and XenDesktop installations that might be installed already.
• The client component installer enables or installs the following items if they do not exist already:
• Visual C++ 2005 Service Pack 1 and 2008 Service Pack 1 runtime libraries.
• Citrix Client-Side Extension. This software is required to retrieve and configure Universal Print Server policy settings.

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.

Known Issues in This Release

When installing this hotfix, a Windows security warning might appear, stating that Windows cannot verify the publisher of the driver software. If this happens, click "Install this driver software anyway" to complete the installation.

New Fixes in This Release

1. Attempts to print in duplex mode might fail from Microsoft Excel 2010 in conjunction with the Citrix Universal Print Driver (UPD) and the Citrix Universal Print Server (UPS).

   [From UpsClient710WX64100][#LA2890]

2. The Spooler process (spoolsv.exe) might exit unexpectedly.

   [From UpsClient710WX64100][#LA4317]

3. When using the Citrix Universal Printer Driver (UPD), and printing from Microsoft Office applications, those print jobs might remain in the spooling status for a long time and can eventually cause the print spooler service to become unresponsive.

   [From UpsClient710WX64100][#LA4329]

4. This enhancement improves the scalability and reliability of the Universal Print Server. To enable this enhancement in its entirety, you must install both a Universal Print Server and a Universal Print Client hotfix that contains Fix #LA5186.

   [From UpsClient710WX64100][#LA5186]

Fixes from Replaced Hotfixes

No hotfixes were replaced by this release.

Installing and Uninstalling this Release

Notes:

• This release is packaged as a .zip file containing the UpsClient_x64.msi file. For more information about deploying msi files, see Microsoft article 884016 or visit the Microsoft Web site and search on keyword msiexec.
• 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, 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. 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 UpsClient_x64.msi file on the computer 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 Programs and Features.
3. Highlight the hotfix you want to remove and click Uninstall.
4. Follow the directions on-screen.