Upgrading VMware Tools in a virtual desktop causes PCoIP connections to fail
You may have already read about an issue where upgrading your ESX 4.0 host breaks connections to hosted virtual desktops with the PCoIP protocol. This issue only occurs when you’re using ESX 4.0 with VMWare View 4.0 and you’ve upgraded the host to Update 2. VMware released a permanent fix for that.
You’ll find more information at the Knowledge Base.
