Problem with domain

Hi,
The Windows web server R2 machine, is orginally having a Workgroup only. Now I want to have a domain name which is

domain1.com

for it, but I got this error. Any ideas?
https://dl.dropboxusercontent.com/u/40211031/t583.png
LVL 12
HuaMin ChenProblem resolverAsked:
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Dan CraciunIT ConsultantCommented:
Exactly what the error says: you do not have an AD DC.
Here's an article on how to install/promote your server: https://support.cloudshare.com/entries/21462042-How-to-setup-and-configure-a-Domain-Controller-on-Windows-Server-2008-R2

HTH,
Dan
HuaMin ChenProblem resolverAuthor Commented:
Sorry, "Add role" is disabled in Fig 1. The server is in fact Web server 2008 R2. do you think this is the reason, as it is prohibited to have Active directory in this version? thanks
t584.png
Dan CraciunIT ConsultantCommented:
Yup, you cannot use a 2008 Web Server as an AD DC.
Here's a comparison between versions: http://download.microsoft.com/download/F/C/6/FC6006B5-866E-42C1-88F8-9AC4B8BC610D/WS%20Brand%20Pages%20-%20Editions%20Comparison%20Guide.pdf

HTH,
Dan

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