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- Apple does not allow Mac OS X Client to be virtualized. Mac OS X Server can be run virtually, but only on Apple-labeled hardware. You'll need an additional Server license for each virtualized server , in addition to the license for the host OS.
- Microsoft permits Windows licensing on VMware. Each VM image is considered a separate computer requiring an individual license.
- Red Hat permits Enterprise Linux licensing on VMware. Because Red Hat allows up to 4 virtual guests on a server, your first four registrations under installations (host or virtual) on the same host id computer are included with your first license. Subsequent registrations may installations require additional licenses (each allowing up to four more virtual installations on that machine). As MIT's site license cost for Red Hat Enterprise Linux is based on usage, we recommend limiting your virtual machines license usage to three one per host id where possible.
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