I ran into an issue in VMware vcenter in my lab where sysprep would not start on virtual machines (VMs) deployed from a windows server 2008 R2 template. The template along with the sysprep file were created before the lab was upgraded to 5.1. I created new sysprep config, changed VM settings and pulled my… Continue reading VMware Vcenter Sysprep Error: Customization of the guest operating system ‘windows7Server64Guest’ is not supported