将Windows Server 2008 R2 Standard升级到Datacenter

在他们的Windows Server 2008 R2升级path文档中，Microsoft指出以下有关跨版本升级：

不支持跨版本升级（例如，Windows Server 2008 Foundation SKU到Windows Server 2008 Datacenter SKU）。

但是，看起来好像dism可以用来升级版本。 看到这个Technet博客文章了解更多细节。 请注意，博客表示此升级不能在域控制器上执行。

显示当前版本：

 PS C:\> dism /online /get-currentedition Deployment Image Servicing and Management tool Version: 6.1.7600.16385 Image Version: 6.1.7600.16385 Current edition is: Current Edition : ServerStandard The operation completed successfully. 

检查可用的版本：

 PS C:\> dism /online /get-targeteditions Deployment Image Servicing and Management tool Version: 6.1.7600.16385 Image Version: 6.1.7600.16385 Editions that can be upgraded to: Target Edition : ServerDataCenter Target Edition : ServerEnterprise The operation completed successfully. 

升级到企业：

 PS C:\> dism /online /Set-Edition:ServerEnterprise /ProductKey:489J6-VHDMP-X63PK-3K798-CPX3Y ...