Users not able to launch published applications with error <Application Name> failed to start.The Citrix server is unable to process your request to start this published application at this time. Please try again later.
Article ID: CTX220593
Updated On:
Description
Users not able to launch published applications and getting error : <Application Name> failed to start. The Citrix server is unable to process your request to start this published application at this time. Please try again later. If the problem persists, contact your administrator.
There is no issue in launching published desktop.
Environment
Resolution
Add or set the following registry key on the XenApp server(s) if not already present to resolve the issue.
Caution! Refer to the Disclaimer at the end of this article before using Registry Editor.
Registry Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI
Name: DllName
Type: REG_SZ
Value: seamls20.dll
Name: NotifyEvent
Type: REG_SZ
Value: WfshellTwiNotify
Note: By default the above registry entries should be present and this registry entry needs to be created if it does not already exist.
Problem Cause
Any customization such as any script pushing change to the TWI registry key may lead to delete the required values from TWI registry causing the error during application launch.Additional Information
