Windows Server 2008 No AD convert to using AD?

I made the mistake of setting up this very small network without Active Directory on the excuse that with only 5 users they didn't need it. Now I would like to implement AD on it. Is there a way to do that without re-installing and wiping server install? I don't mind re-setting up the 5 user accounts, but want to be sure I won't loose anything important when I configure AD.
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Peter HutchisonSenior Network Systems SpecialistCommented:
YEs, you can install it easily by these steps:
1. Load Server Manager
2. Select Roles
3. Install the Active Directory Domain Services (ADDS) role
4. Once ADDS role is installed, you can run the dcpromo.exe tool (there is a link to it in Server Manager) to begin the process of promoting the server to an Active directory domain controller.

Nothing will be lost during this process, but it will need a reboot or two.

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Windows Server 2008

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