Server Core - NEC Express5800 Series Installation Manual

Chapter 1 Installing Windows
11. Call the Microsoft license activation hotline and then tell your installation ID.
Type the confirmation ID, and then click Activate Windows.
The authentication is now complete.

3.5.2 Server Core

1. Confirm if your license is activated.
At the command prompt, type the following command, and then press <Enter> key.
C:¥Users¥administrator>slmgr –dli
When license authentication is required, go to the next step.
When your license is already authenticated, you can skip the next and the subsequent steps.
2. Change the product key.
Using Backup DVD-ROM:
Type the following command, and then press <Enter> key.
C:¥Users¥administrator>slmgr –ipk <Product key on COA label>
Using Windows Server 2022 DVD-ROM:
You do not need to change the product key.
Go to the next step
3. Perform license authentication.
The server connects to the Internet:
License authentication is performed via the Internet.
Type the following command, and then press <Enter> key.
C:¥Users¥administrator>slmgr –ato
This completes authentication.
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Installation Guide (Windows Server 2022)
3. Installing Windows Server 2022