Screen flickering with PowerPoint 2010 on Citrix XenApp

Fri, 30 Nov 2012 14:18:22 +0000

Within half an hour of writing the article "Application causes Screen Flickering in Citrix XenApp Session" I got a message that the hotfix in that article also fixes a similar problem in PowerPoint 2010.

Office 2010 uses hardware acceleration for displaying images and when this is enabled (which is the default) you will see constant screen flicker when you try to display a presentation with Images on Citrix XenApp (Server 2003):

Screen Flickering when running WPF Applications on Citrix XenApp

Application causes Screen Flickering in Citrix XenApp Session

Fri, 30 Nov 2012 13:28:54 +0000

Yesterday I was asked to troubleshoot an interesting issue with an application running on Citrix XenApp.

Environment
This customer is running Citrix XenApp 5 on Windows Server 2003 (x86). On the Client Side the Online Plugin version 12.3 is used.

The Problem
When this particular application was active the screen was flickering and black blocks appeared at seemingly random places. Further more it was not possible to resize the window:

My experience is that display issues are often related to either HDX Flash Redirection (offloading flash to the client) or the Multi Monitor hook.

WPF on Remko's Blog

Screen flickering with PowerPoint 2010 on Citrix XenApp

Application causes Screen Flickering in Citrix XenApp Session