AD Migration

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hi

i have 3 domain controllers ( 1 2008 r2 ,1 2003,1 2012)

i have 5 child domain servers 2008 r2 , 2003 r2

i want upgrad 2012 r2

what considerations , sequences upgrade

mcp mcsa mcse mct mcts ccna

hi yasser,

what considerations , sequences upgrade

i suggest upgrade dc below:

  1. join target os server domain promote replica dc.
  2. transfer fsmo roles new dc, ensure new dc dns server , gc.
  3. run dcdiag.exe , repadmin.exe on new dc, make sure new dc heathy.
  4. on domain members, point new dc dns server.
  5. demote former dc.

if want use same ip address , computer name, please follow blog below:

remove old dc , introduce new dc same name , ip address

http://blogs.msmvps.com/acefekay/2010/10/09/remove-an-old-dc-and-introduce-a-new-dc-with-the-same-name-and-ip-address/

more information you:

step-by-step: adding windows server 2012 domain controller existing windows server 2003 network

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

introducing first windows server 2012 domain controller (part 1 of 2)

http://blogs.technet.com/b/askpfeplat/archive/2012/09/03/introducing-the-first-windows-server-2012-domain-controller.aspx

best regards,

amy

please remember mark replies answers if , un-mark them if provide no help. if have feedback technet subscriber support, contact tnmff@microsoft.com.



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