Thursday, July 17, 2014

Using DISM to upgrade higher Windows Editioin

Starting from Windows Server 2008 R2, administrators can perform DISM to upgrade Windows Edition without re-installing the Windows. For an example, Windows Server 2008 R2 Standard Edition can be upgraded to Windows Server 2008 R2 Enterprise Edition or Datacenter edition and Windows Server 2012 or R2 Standard can be upgraded to Windows Server 2012 or R2 Datacenter edition.

To do this, administrators can perform the following commands in Command Prompt.

1. "dism /online /Get-CurrentEdition" to check current edition of the Windows

2. "dism /online /Get-TargetEditions" to check which version can be upgraded to

3. "dism /online /Set-Edition: ServerDatacenter /AcceptEula /ProductKey:12345-67890-12345-67890-12345" to upgrade Standard Edition to Datacenter edition.

Remark: On Windows Server 2008 R2 edition, administrators don't need to add "/AcceptEula" parameter when performing dism.

Remark: DISM /online /Set-Edition doesn't support downgrade Windows Edition.

More information

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