The simplest way to setup a Mac OS X on ESXi 5.x+?
On all supported hardware.
closed as off topic by Daniel Beck♦, soandos, studiohack♦ Jan 26 '12 at 1:50
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Only ESXi 5 supports OS X as a host operating system and only on Apple branded servers. Beyond that, it's against the TOS to run OS X on any non-Apple branded hardware.
See requirements here.