fonte: http://blogs.technet.com/b/uspartner_ts2team/archive/2013/04/30/windows-server-oem-licensing-is-cheaper-but-not-always.aspx To be specific OEM licensing has many limitations:   Licenses are non-transferable (to another computer) Licenses expires with the hardware A change of motherboard or processor will deem an OEM license invalid and a new license will have to be purchased as it is similar to changing to a new system There is No.. Read More