Migrate Windows Server 2003 x86 SP2 to windows Server 2012
i want migrate windows 2003 windows server 2012 primary dc (site1): windows server 2003 sp2 x86 (also dhcp server) additional dc(site2) : windows server 2008 r2 x64(also dhcp server). want install windows server 2012 on site1 , make primary domain controller hostname same windows server 2003 , same old ip please refer blogs , guide me how achive it. step1 : http://blogs.technet.com/b/canitpro/archive/2013/05/05/step-by-step-adding-a-windows-server-2012-domain-controller-to-an-existing-windows-2003-network.aspx step2: http://blogs.technet.com/b/canitpro/archive/2013/05/27/step-by-step-active-directory-migration-from-windows-server-2003-to-windows-server-2012.aspx step3: how rename windows server 2012 domain controller (after promoting windows server 2012 primary demote windows server 2003 and i need rename windows server 2012 hostname old hotname , change old ip) if rename domain controller face issues dns. step 4 : how export dhcp window server 2