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Is it possible to upgrade from windows2008 R2 server standard to datacenter without installation work ?<br />
&nbsp;I mean, Is this just completed by input new license code of datacenter edition ?
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Is it possible to upgrade from windows2008 R2 server standard to datacenter without installation work ?
 I mean, Is this just completed by input new license code of datacenter edition ?

How to upgrade windows 2008R2 standard to datacenter

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.