Citrix recently released XenApp 6.5. However, there is not a way to do an in-place upgrade from XenApp 6.0 to XenApp 6.5. This means that the Citrix administrator will have to uninstall XenApp 6.0 components and install XenApp 6.5 components. Citrix released a PowerShell utility to help in this process, and in this post I break that utility down into a Visio flowchart to you can understand what is going on behind the scenes.
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