RE: Migrating NT Server 4.0 to W2K3 Server

Hello,

Thanks for your post.

I understand you want to perform migrate from WinNT to Win2k3 domain.
However, I am still a little unclear with the following question: by using
what method to let live network communicate with dedicated network?

According to your current concerns, I would like give my understanding on
them separately:

Q1: My main concern is that the W2K3 server will start assigning IPs via
DHCP to my NT4 and XP Pro workstations. Are there any issues with this
because basically I'd be having 2 DHCP servers (via NT4 and W2K3) dishing
out IP addresses to my current clients.

A1: If eventually you will remove NT domain, you can move DHCP database to
win2k3 domain and then use win2k3 dhcp to assign the ip address for all
clients and it won't cause DHCP confusion. Please refer to the following
article about how to move DHCP:

How to move a DHCP database from a computer that is running Windows NT
Server 4.0, Windows 2000, or Windows Server 2003 to a computer that is
running Windows Server 2003
http://support.microsoft.com/default.aspx?scid=kb;en-us;325473

I have searched and found more information about DHCP, please refer to:
Dynamic Host Configuration Protocol
http://www.microsoft.com/windowsserver2003/technologies/dhcp/default.mspx

For further details about DHCP, I suggest that you post the question in
microsoft.public.windows.server.networking newsgroup to get the most
efficient and professional support on it.

Q2: And what happens when I transfer back the W2K3 server back to its own
dedicated network segment and certain clients having IPs assigned from the
W2K3 server?

Do you mean the new network go internet through dedicated line? After
transferring back the Win2k3 server back to its own dedicated network, how
do the clients communicate with the Win2k3 server? Through what method?

A2: Based on my experience, the result of migration won't be affected by
using what method to connect Internet. Therefore, if the clients can
contact to DHCP server after you transfer the Win2k3 server back to
dedicated network, it won't affect the Win2k3 server to assign IPs to these
clients.

Finally, I would give you some references about migration from Win NT to
Win 2k3:

First, I would like let you know the Recommended Migration Order and it is
listed below for your reference:
1. Domain Global Group
2. Domain Local Group
3. User migration
4. Computer migration

Second, for more reference about migraton:

Migrating from Windows NT Server 4.0 to Windows Server 2003
http://www.microsoft.com/downloads/details.aspx?FamilyID=e92cf6a0-76f0-4e25-
8de0-19544062a6e6&DisplayLang=en

You can download ADMT from the link below:
Windows 2000 Active Directory Migration Tool
http://www.microsoft.com/windows2000/downloads/tools/admt/default.asp

Active Directory Migration Tool Overview
http://www.microsoft.com/windows2000/techinfo/planning/activedirectory/admt.
asp

HTH!

Thanks & Regards

Amanda Wang [MSFT]

Microsoft Online Partner Support

Get Secure! - www.microsoft.com/security

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--------------------
>From: tigerdivision <tigerdivision.1pukda@xxxxxxxxxxxxx>
>Subject: Migrating NT Server 4.0 to W2K3 Server
>Date: Mon, 30 May 2005 18:48:48 +0530
>Message-ID: <tigerdivision.1pukda@xxxxxxxxxxxxx>
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>
Greetings all!
>
>I am currently working on our Windows NT Server 4.0 to W2K3 Server
migration plan and I have a few queries to ask. First of all here is
some background information.
>
>We have a single NT4 domain with a mixture of Windows NT 4, 2K and 2K3
member servers. Late last year we purchased a new Dell rack mounted
server which will eventually be used as our new W2K3 Active Directory
server.
>I am slowly building up and configuring this server so that eventually
we'll switch off our old NT4 PDC and switch onto this server. However I
need to check and test certain things namely the ADMT 2 tool.
>
>Our W2K3 server is currently on its own network segment i.e. on its own
dedicated switch. In order to use the ADMT 2 tool however I need to
transfer the W2K3 server onto our live network segment.
>
>My main concern is that the W2K3 server will start assigning IPs via
DHCP to my NT4 and XP Pro workstations. Are there any issues with this
because basically I'd be having 2 DHCP servers (via NT4 and W2K3)
dishing out IP addresses to my current clients. And what happens when I
transfer back the W2K3 server back to its own dedicated network segment
and ceratin clients having IPs assigned from the W2K3 server?
>
>Thanks
>Pierre


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