Moving DHCP

I have 2 servers servera and serverb.
both of these are DC's and DHCP servers.
servera servers up 10.5.240.1-10.5.240.255
serverb serves up 10.5.2.1-10.5.2.255
on our cisco 3550 we have ip helper-address for both of these servers, 10.5.0.1 and 10.5.0.5, respectively.
I have since built up serverc, another DC because serverb will be taken offline soon.  I want to move the DHCP scope from serverb to serverc.  The microsoft docs say you need to be part of the local administrator group, but this server is a domain controller so how do i do the export and import? and get the clients to start receiveing addresses from serverc (10.5.0.15)
thanks
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jduawaAsked:
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DCMBSCommented:
Deactvate the scope on serverb.  Export the DEHCP database on serverb.  Import the scope to serverc. Activate and authorize serverc.  serverc will start offering addresses automatically once it is activated and authorized
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ForsakenSACommented:
What operating systems are being run on the servers?

This article takes care of NT, Windows 2000 and Windows 2003 to Windows 2003.

http://support.microsoft.com/kb/325473
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jduawaAuthor Commented:
2003 on all servers....
I saw that MS KB article already and it states "Log on to the source DHCP server by using an account that is a member of the local Administrators group"

serverc is a DC and so is servera and serverb, therefore there is no local users or groups
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ForsakenSACommented:
You will also need to update the ip helper-address on the Cisco 3550
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DCMBSCommented:
I have done this by logging in as domain admin
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ForsakenSACommented:
Useing a Domain Admin account will be fine.
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DCMBSCommented:
Also in that article it states that if an local administrator account doesn't exist on the machine to perform the import in directory restore mode and use the administrator account there.  I don't remember having to do this but its worth looking at
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Windows Server 2003

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