: If you installed the Server Core evaluation version (without the graphical interface), you may not be able to convert from an evaluation to a non-evaluation edition at all. This is a known limitation documented by Microsoft and various OEMs like Dell.
| | Description | Windows Server Version | | :--- | :--- | :--- | | Command Line | Convert using DISM for both Standard and Datacenter. | ✅ All | | GUI (Settings) | Use the Settings app for Standard edition only. | ✅ Standard only | | In-Place Upgrade | Upgrade using installation media for fresh keys. | ✅ All |
To reset the evaluation timer, type this command and press : slmgr.vbs /rearm Use code with caution. how to activate windows server 2022 free
A dialog box should appear shortly after stating "Product activated successfully." How to Check Activation Status
: You can download the ISO or VHD from the Microsoft Evaluation Center . : If you installed the Server Core evaluation
The server will activate automatically via internet connection and provide a 180-day grace period.
This entire process demonstrates the flexibility of KMS, allowing your server to automatically activate as long as it can communicate with the company's KMS host, which handles the licensing on behalf of the organization. | ✅ All | | GUI (Settings) |
When you're ready to take your project live, you'll need a full license. You cannot directly activate an evaluation version with a purchased key. Instead, you must convert the installation first. Here’s a quick reference on how to handle this transition:
Once you have finished the steps above, it is good practice to verify that the license is active and see when it expires (KMS licenses typically need to renew every 180 days). slmgr /xpr Check detailed license info: slmgr /dlv Converting Evaluation to Full Version
Generic Volume License Keys provided publicly by Microsoft to deploy operating systems in volume-licensed environments. They do not activate the OS on their own without a connection to a valid licensing infrastructure.