But Fusion 4.1 seemed to 'allow' client versions of Leopard and Snow Leopard to be virtualized as well - assuming legally licensed copies of the OS were being used and Apple-branded hardware was in play, of course. The onus of license compliance seemed to have shifted back to users, rather than VMware as the virtualization provider.Īpple's policy on virtualization allows properly licensed copies of Mac OS X Lion (client or server), Leopard Server, and Snow Leopard Server to be virtualized on Apple-branded hardware. With the 4.1 release, VMware seemed to open the door: Users trying to install either of those client operating systems were met with a new confirmation screen reminding them to 'verify that the operating system is licensed to run in a virtual machine.' Beyond that, there were no other checks to make sure Apple's EULA was being enforced. Prior to Fusion 4.1, users who attempted to install client versions of Leopard or Snow Leopard were immediately stopped during the installation process.

The virtualization giant released its 4.1 update to Fusion, which seemed to add support for nonserver versions of older Mac OS X operating systems like Leopard (10.5) and Snow Leopard (10.6) as guest operating systems. But last week VMware took things one step further. Virtualization products like VMware Fusion, Parallels Desktop for Mac, and VirtualBox jumped all over Apple's announcement and added support for Lion installations. Sure, it still needed to operate on top of Apple hardware, but users could finally virtualize a client OS without searching for answers in dark and seedy places online. When Apple released Mac OS X 10.7, known as Lion, it became the first client version of Mac OS X that Apple gave express permission to run as a guest operating system within a virtual machine.

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