Is it possible to upgrade Windows Server 2008 R2 Standard to Enterprise?
In their Windows Server 2008 R2 Upgrade Paths document, Microsoft indicates the following about cross-edition upgrades:
Cross-edition upgrades (for example, the Windows Server 2008 Foundation SKU to the Windows Server 2008 Datacenter SKU) are not supported.
However, it looks as though
dism can be used to upgrade editions. See this Technet blog post for more details. Please note that the blog indicates this upgrade cannot be performed on a Domain Controller.
Display current edition:
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.
Check the available editions:
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.
Upgrade to Enterprise:
PS C:\> dism /online /Set-Edition:ServerEnterprise /ProductKey:489J6-VHDMP-X63PK-3K798-CPX3Y ...