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You have a server named Data1 that runs a Server Core Installation of Windows Server 2012 R2 Standard.
You need to configure Data1 to run a Server Core Installation of Windows Server 2012 R2 Datacenter. You want to achieve this goal by using the minimum amount of administrative effort.
What should you perform?
A. An online servicing by using Dism
B. An offline servicing by using Dism
C. An upgrade installation of Windows Server 2012 R2
D. A clean installation of Windows Server 2012 R2
Correct Answer: A
Explanation/Reference:
Explanation:
A. Not least effort
B. Not least effort
C. dism /online /set-edition
D. offline would be less ideal and more work ex: DISM /online /Set-Edition:ServerEnterprise /ProductKey:489J6-VHDMP-X63PK-3K798-CPX3YWindows Server 2008 R2/2012 contains a command-line utility called DISM (Deployment Image Servicing and Management tool). This tool has many features, but one of those features is the ability to upgrade the edition of Windows in use. Note that this process is for upgrades only and is irreversible. You cannot set a Windows image to a lower edition. The lowest edition will not appear when you run the /Get-Target Editions option. If the server is running an evaluation version of Windows Server 2012 R2 Standard or Windows Server 2012 R2 Datacenter, you can convert it to a retail version as follows:
If the server is a domain controller, you cannot convert it to a retail version. In this case, install an additional domain controller on a server that runs a retail version and remove AD DS from the domain controller that runs on the evaluation version. From an elevated command prompt, determine the current edition name with the command DISM /online /Get-CurrentEdition. Make note of the edition ID, an abbreviated form of the edition name. Then run DISM /online /Set-Edition:<edition ID> /ProductKey:XXXXXXXXXX-XXXXX-XXXXXXXXXX
/AcceptEula, providing the edition ID and a retail product key.
The server will restart twice.
There are a couple of ways to install the GUI from the command prompt, although both use the same tool -DISM (Deployment Image Service Manager).
When you are doing it for a single (local) server, the command is:
Dism /online /enable-feature /featurename:ServerCore-FullServer /featurename:…
References:
https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/jj574204(v=ws.11)
https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-7/dd744380(v=ws.10)
http://blogs.technet.com/b/server_core/archive/2009/10/14/upgrading-windows-server2008-r2-without-media.aspx
