Global catalog server+reseup DHCP

After promoting server 2003 from DC to PDC how do I make it a global catalog server,what exactly is this?
and how do I resetup DHCP ( it was on my previous server that will be reinstalled)
PupiloAgencyAsked:
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NJComputerNetworksCommented:
If this server is the first DC in the domain, it will automatically become a global catalog server.  You can check the role by using these instructions: http://www.msresource.net/content/view/25/47

To install DHCP, go to Control Panel --> add/remove Programs --> Windows Components...add DHCP.  Then Authorize the DHCP server in Active Directory ...then configure your scopes
PupiloAgencyAuthor Commented:
Is there a way that I could import the settings from the previous PDC. So I could have exactly the same scopes in this New PDC.
NJComputerNetworksCommented:
Yes, if you have many scopes, you can migrate the scopes from one server to another using this free MS tool:  http://support.microsoft.com/default.aspx?scid=kb%3Ben-us%3B325473

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PupiloAgencyAuthor Commented:
thanks alot
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Windows Server 2003

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