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Do migration, see the steps for it...<br />
<a href="https://technet.microsoft.com/en-us/library/dn530778(v=ws.11).aspx" rel="ugc">https://technet.microsoft.com/en-us/library/dn530778(v=ws.11).aspx</a><br />
<a href="http://blog.windowsserversecurity.com/2011/04/18/network-access-protection-with-dhcp-step-by-step-guide/" rel="ugc">http://blog.windowsserversecurity.com/2011/04/18/network-access-protection-with-dhcp-step-by-step-guide/</a>
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Do migration, see the steps for it...
https://technet.microsoft.com/en-us/library/dn530778(v=ws.11).aspx [https://technet.microsoft.com/en-us/library/dn530778(v=ws.11).aspx]
http://blog.windowsserversecurity.com/2011/04/18/network-access-protection-with-dhcp-step-by-step-guide/ [http://blog.windowsserversecurity.com/2011/04/18/network-access-protection-with-dhcp-step-by-step-guide/]

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I wven want to change the IP address and give the new dhcp sever the same ip address as ild one.
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I wven want to change the IP address and give the new dhcp sever the same ip address as ild one.

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and also the the old sever is an domain controller and the new will also act as domain controller.
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and also the the old sever is an domain controller and the new will also act as domain controller.

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to configure to DHCP it should be DC, remove the dhcp role then from old server
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to configure to DHCP it should be DC, remove the dhcp role then from old server

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Hi Team,<br />
<br />
Currently we are running DHCP and radius server on a windows server 2008 R2 domain controller,we want to migrate the DHCP and radius &nbsp;to windows server 2012 R2,since we have lot of network devices where the DHCP IP is set ,so we want to &nbsp;maintain the same IP of 2008 server for the new 2012 server,how can i achieve this?
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Hi Team,

Currently we are running DHCP and radius server on a windows server 2008 R2 domain controller,we want to migrate the DHCP and radius  to windows server 2012 R2,since we have lot of network devices where the DHCP IP is set ,so we want to  maintain the same IP of 2008 server for the new 2012 server,how can i achieve this?

Changing  DHCP and radius server from windows server 2008 R2 to 2012 R2 maintaining  same IP

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

Windows OS

The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DHCP allows for computers to be configured automatically to communicate with each other over an IP network without the need for manual setup by a network administrator. The implementation of DHCP relies on a DHCP server to hand out network configuration information to DHCP-capable clients that request an IP address (and other information required or useful in communicating with other devices on an IP network). In addition to an IP address, common configuration information served over DHCP includes a default gateway, subnet mask and DNS sever(s).

DHCP

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.