Want to replace a Windows 2003 domain controller with a Windows  2008 domain controller of same name and IP.

LB1234
LB1234 used Ask the Experts™
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What's the simplest and safest way to do this?  THanks.
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Join new domain controller in network. To join new windows 2008 os as domain controller refer below link:

http://www.petenetlive.com/KB/Article/0000239.htm
http://technet.microsoft.com/en-us/library/cc733027(v=ws.10).aspx


After joined the domain controller remove the old domain controller form the organization with following steps..

1) To transfer the fsmo role refer below link:

http://www.petri.co.il/transferring_fsmo_roles.htm
http://support.microsoft.com/kb/255504

2) remove old domain controller from the organization.

After remove the old domain controller change the domain server Name and IP Address refer below :

http://www.petri.co.il/windows_2003_domain_controller_rename.htm
http://www.petri.co.il/rename-windows-server-2008-domain-controllers.htm
Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013

Commented:
But WHY?  Why keep the name and IP?  Isn't your network designed properly?  If so, it doesn't matter, a minute or two updating a script or two and/or a group policy and you don't need to keep them name and IP.  

And if the network isn't designed right, why not take the time to change it NOW?

Author

Commented:
Lol, lots of assumptions flying here, sir!  :)  I WAS looking to keep the same because i was concerned about many of our users here having to relink their excel documents to a new file path, but it turns out the links use the mapped drive letter of the server rather than the UNC.  So looks like the server names do not have to be the same after all.

Just out of curiousity, what lead you to believe the network wasn't properly designed?  Do people usually keep the same name and IP to paper over some deeper AD/network issues?  Thanks Leew.
You can change domain name and domain controller name also but it's not a good practice.
Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013
Commented:
People who ask this basic question either don't know what they are doing and assume everything has to be the same so people can access data without them running around to everyone's machines... or the network wasn't designed right and drives are not mapping via script or group policy for example.

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