Installation Guide

3. Setting Up Windows Server 2012
Express5800/R120e-1M, R120e-2M Installation Guide (Windows)
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Chapter 1 Installing Windows
3. Read the message, and then continue the license authentication procedure.
Tips
If your license is already authenticated, you need not perform this procedure.
Windows activation is now complete.
(2) Server Core installations
1. Type the following at the command prompt, and then press <Enter> key.
slmgr –dli
If license authentication is required, go to the next step.
If your license is already authenticated, you can skip the next and the subsequent steps.
2. Change the product key.
Using Backup DVD:
Type the following command, and then press the <Enter> key.
Using Windows Server 2012 DVD-ROM:
You do not need to change the product key.
Go to the next step.
3. Perform license authentication.
Using the Internet:
License authentication is performed through the Internet.
Type the following command, and then press the <Enter> key.
The authentication is now complete.
C:\Users\administrator>slmgr –ato
C:\Users\administrator>slmgr –ipk <Product key on COA label>
C:\Users\administrator>slmgr –dli