Installation Guide
4. Setting Up Windows Server 2008 R2
Express5800/R120e-1M, R120e-2M Installation Guide (Windows)
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Chapter 1 Installing Windows
If the following message appears, Windows has already been activated on your system. You do not
need to complete this procedure. Click [OK] to finish.
2. For installation from Backup DVD-ROM, replace the product key.
At the command prompt, enter the following, and then press <Enter> key. Set the product key found on
the COA label in PID.
slmgr –ipk PID
3. Obtain an installation ID for Windows activation.
At the command prompt, enter the following, and then press <Enter> key.
slmgr –dti
4. Reference %systemroot%\system32\sppui\phone.inf for the telephone number of the license
authentication customer service.
5. Call the above number, inform the representative of the installation ID which you obtained in step 3,
and receive a confirmation ID.
6. Type the confirmation ID you received in step 5.
At the command prompt, enter the following, and then press <Enter> key. CID is the confirmation ID
that you received from customer service.
slmgr –atp CID
Windows activation is now complete.