HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Citrix\Policies To enable the fix, set the following registry key: This can occur when the "Allow only one instance of application for each user" option is enabled in the Published Application Properties of the desktop. Please contact your System Administrator." "Connection Error: You already have an instance of this application open and are not allowed to run more than one instance. When you attempt to access from the same device and while the session state is active - a published desktop after a client disconnect, the following error can appear: The svchost.exe process for Terminal Services might close unexpectedly with an application Event ID 1000 and can cause the Remote Desktop and Receiver connections to the server to fail. On systems with Fix #LC2702 (included in Hotfix Rollup Pack 6) applications can fail to save on client mapped drives and generate corrupt files instead. For additional product information, including system requirements, see XenApp 6.5 on the Citrix Product Documentation site. This document describes the issue(s) resolved by this release and includes installation instructions. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system.
Hotfix rollup packs consolidate most previously released hotfixes and allow you to update systems in a convenient, single installation. Otherwise, Citrix recommends that you wait for the next hotfix rollup pack for your product release.