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Can I offline 2k3 servers and adding 2008 svrs. w/o migrating procedures?

I have 2 new servers running windows 2008 server I wish to be DC w/AD, and DHCP. I currently have 2 2k3 R2 servers running DC, AD, and DHCP.

My issue: I first attempted to dcpromo the 2k8 servers and demote the 2k3 servers, however, I encountered some issues with the 2k3 servers where I couldnt ADprep them (told me to transfer the schema master to the other DC  It didnt recognize the server name  Merging seems to be out of the question.).

What I would like to do is disconnect the 2k3 servers from the network (taking them off line) and configure the 2k8 servers as a new network, of course, keeping the same domain name (namespace). Ill change IP addresses and point all the other member servers to the new servers. I dont wish to merge anything from the old DCs. Ill create from scratch, but keep the scopes and domain name. I will probably have to reinstall the OS on the old 2k3 servers for they have DNS issues anyway so no great loss, however, there are two applications that are used by users that will now be inaccessible till I get it installed again&

My question is, can this be done without going through all the demoting, promoting and FSMO role transferring??? Will I encounter any issues?

Any help is appreciated
PE
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pisdadmin
Asked:
pisdadmin
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1 Solution
 
Dmitriy Ilyinsenior system administratorCommented:
>>Will I encounter any issues?

Of course it will!
1. you will need to demote all clients from domain and then attach it again
2. you will lost all GPO and setting for domain and must do it again
3. If you nave Exchnage server 2003 you will have a long migration process.

My suggestion is clean all error, promote 2008 server to DC, and move all roles.
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Henrik JohanssonSystems engineerCommented:
You nead to use correct version of adprep from Windows Server 2008 media on server holding schema master role.

What DNS issues do you have on old servers?
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Darius GhassemCommented:
You need to migrate because of issues that you will run into when creating a new domain. You will have more admin work then just trying to fix the current issues. If you can't tranfer the roles then you can seize them. Post a netdiag of the current 2k3 servers.

http://www.petri.co.il/seizing_fsmo_roles.htm
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pisdadminAuthor Commented:
Appreciate the info...

I was able to adprep, run dcpromo, & transfer all FSMO but one. Master schema will not transfer to new 2k8 svr. the message I get is "the parameter is incorrect. The transfer of the current operations Master could not be performed".

I would like to make the old primary server a member server w/out having to reinstall OS (Our filtration programs and Dbase are located on that box. If I just point it to the new DC, users should still have access to the sever via IP address, right???

Also, do I follow the same procedure with the second 2K3 server?

Thanks again for all the help

P
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Darius GhassemCommented:
If you can't transfer the roles then you need to seize them. You can make the old DC a member server without having to reformat. Are you sure that all FSMO roles are on the one server not you don't have some FSMO roles on the other 2K3.
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Dmitriy Ilyinsenior system administratorCommented:
There is another way to transfer Mshema role to Server 2008:
From the 2008 DC, run ntdsutil from a command prompt:
  • type ROLES and then enter
  • type CO and then enter
  • type CO TO SERVER and then enter
  • type Q and then enter
  • type TRANS SC MA and then enter
  • you will be prompted with a GUI box whether you want to transfer the schema FSMO to that DC, click Yes
  • Q and then enter
  • Q and then enter
PS: tip was found [url=http://social.microsoft.com/Forums/en-US/winservergen/thread/60098ea4-4839-422e-9706-65502689cd94/]here[/url].
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Dmitriy Ilyinsenior system administratorCommented:
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pisdadminAuthor Commented:
The ntdsutil command worked like a charm... Everything seems to be going good so far......

Appreciate the support and quick response.
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Dmitriy Ilyinsenior system administratorCommented:
Please do not foget to mark question answered if someone helped you.
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