Open System and Security, and then System. View Windows activation status in the Windows activation area of the System page. Click View details in Windows activation for more information about your Windows activation status. If you have already activated Windows, the Desktop shows the time remaining in the evaluation period. For Windows Server Essentials: You can convert to the full retail version by entering a retail, volume license, or OEM key in the command slmgr.
If the server is running an evaluation version of Windows Server Standard or Windows Server 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. For more information, see http: Read the license terms. Make note of the edition ID, an abbreviated form of the edition name. The server will restart twice. For the evaluation version of Windows Server Standard, you can also convert to the retail version of Windows Server Datacenter in one step using this same command and the appropriate product key.
Tip For more information about Dism. Upgrading previous retail versions of Windows Server to Windows Server The table below briefly summarizes which already licensed that is, not evaluation Windows operating systems can be upgraded to which editions of Windows Server Note the following general guidelines for supported paths: In-place upgrades from bit to bit architectures are not supported.
All editions of Windows Server are bit only. In-place upgrades from one language to another are not supported. In-place upgrades from one build type fre to chk, for example are not supported. If the server is a domain controller, see http: Upgrades from pre-release versions of Windows Server such as the Release Candidate are not supported. Perform a clean installation to Windows Server Upgrades that switch from a Server Core installation to the Server with a GUI mode of Windows Server in one step and vice versa are not supported.
The solution may not be as easy as simply switching over to newer versions of Windows Server that are still supported. Before purchasing a shiny new Windows Server , make sure to survey the total impact this may have on your infrastructure and operations. To the right is the new way of doing things: Of course, organizations that choose to continue with an on-prem server will be able to adequately replace Windows Server There are a lot of benefits to this approach, as the cloud has proven time and time again to be remarkably versatile, affordable, efficient, and scalable.
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See Install, upgrade, or migrate to Windows Server Learn about your upgrade options. Is it time to move to a newer version of Windows Server? Depending on what you are running now, you have lots of options to get there. Installation If you want to move to a newer version of Windows Server on the same hardware, one way that always works is a clean installation, where you just install the newer operating system directly over the old one on the same hardware, thus deleting the previous operating system. That is the simplest way, but you will need to back up your data first and plan to reinstall your applications.