After Swisscom has upgraded all VMware ESX Hosts to vSphere release 5.5, the hardware version 10 is now available for all guest OS. The Swisscom templates are currently still on hardware version 9 due to a known issues within the guest customization. Swisscom customers are able to upgrade their guest OS to hardware version 10 by themselves if requested. Swisscom urgently recommends to install the latest version of the VMware Tools before upgrading the hardware version of the guest OS.