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Relocate Primary DC to new City

khairi
khairi asked
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Last Modified: 2010-04-14
Hi,

My PDC (Win2K) is located at different city (City A), and now the management what the PDC to be re located to a new city (City B) which have a lot users and critical business process running in the city B servers.

Both city have different network segment and connected thru VPN.

City B right now have BDC of Windows NT 4.0 and Backup DC on Windows 2000.

What steps should I take to move the Primary DC from City A to City B ?  

Should I just shutdown and ship over to city B and change the IP address to new Ip at City B ?

or should I upgrade all my servers to Windows 2K and demote the Dc in City A and promote new server as new PDC at City B ?

What about the Active Directory when these happen ?

How long can the Backup DC take over the process if I ship the DC from City A to City B ?

Can I reinstall DC in City B, shutdown the DC in city A and then reinstall Window 2K in City B as Primary DC.

Any link of website that tell in detail of domain migration ?

If this can be done, what are other configuration that should I check ?
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Commented:
khairi, I would recommend that you upgrade the servers to Windows 2K and demote the DC in City A and promote new server as a new DC at City B. Windows 2000 does not have the traditional PDC/BDC as does NT 4.

>>What about the Active Directory when these happen?

If you have everything running correctly, this should migrate satisfactorily.

>>How long can the Backup DC take over the process if I ship the DC from City A to City B ?

As long as necessary as long as its configured correctly.

>>Can I reinstall DC in City B, shutdown the DC in city A and then reinstall Window 2K in City B as Primary DC.

You can do this, but its the long way around to do it. Just do the upgrade and carry the migration above. It's much simpler that way.

Any link of website that tell in detail of domain migration ?

http://www.microsoft.com/windows2000/techinfo/planning/activedirectory/cookbook.asp

http://www.netiq.com/products/dma/default.asp

http://www.aelita.com/products/DMW.htm

http://www.winntmag.com/Articles/Index.cfm?ArticleID=9659

http://www.quest.com/industry_coverage/windows_2000_domain_migration.asp

http://www.jsiinc.com/SUBF/Tip2500/rh2551.htm


>>If this can be done, what are other configuration that should I check?

None that I can think of, as this should be a rather straight forward procedure.

Dennis

Author

Commented:
Thanks for fast response

In City A, the Domain have been migrated to Windows 2K Domain and all other servers have been migrated to Windows 2K.  Domain Controller have been upgraded from previous NT PDC.

In City B, only one server have been migrated to Windows 2K and DC have been added to this server.  Other servers are still using NT 4.0 Server and BDC on Windows NT 4.0.

In order to promote a server in City A to become new Master DC, does I need to upgrade all my servers in City A to Windows 2000 or can it be co exist.

Author

Commented:
Correction,

In order to promote a server in City B to become new Master DC, does I need to upgrade all my servers
in City A to Windows 2000 or can it be co exist.
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Commented:
They can coexist as long as you're careful. You might want to do some reading at the URL's I've provided.

Commented:
I'd be tempted to build another Windows 2000 server to act as new DC for your soon to be main site.

The following are very important matters to take into consideration:

1)Site configuration - I think your site configuration (i.e. whether you have 2 sites defined for your two main offices and subnets) will be key to the relative simplicity of this project.

2)Bandwidth - your new DC will need to pull in an up to date AD database frm another domain controller.  If the two sites are connected by a VPN, what is the bandwidth of the pipe connecting them?  Furthermore, the site configuration alluded to in point 1 is very important here.  If your site configuration is badly thought out, you may well find your new DC decides to replicate with the current Operations master at the other end of a restricted bandwidth link.  If you do have sites configured, then the new server will more than likely update itself using intra, rather than inter-site replication.

3)User Data - Are there any shares, etc... to be brought across?

4)Trnasfer of Operations master roles.  This is the last step required and should be pretty simple, provided the steps outlined above have gone ahead smoothly.

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