RE: windows 2003 migration from windows 2000

From: superrushfan (superrushfan_at_discussions.microsoft.com)
Date: 11/12/04 

Date: Fri, 12 Nov 2004 07:26:02 -0800

hi thanks for your reply. it is not as easy as that. i am in the middle of a
nt4 to w2k migration and exchange is also in a 5.5 to 2000 migration. end
users are in both domains sharing one exchange server . i need to migrate the
domain b users over and i dont want to create a child domain . i was told i
need to upgrade doamin b and then join it as a tree to domain a . trusts are
already setup .
domain a will be native mode when i do this.

"Carsyn Gu [MSFT]" wrote:

> Hi,
>
> Thanks for the posting.
>
> It can not be done to join a Windows 2003 domain to another Windows 2000
> domain. Do you want to implement as the following scenario:
>
> The exchange server is in Windows 2000 domain and the end users are in
> Windows 2003 domain. You want to authenticate the Windows 2003 end users in
> the Windows 2000 domain and allow them to access the Exchange server in the
> Windows 2000 domain.
>
> If it is the scenario, I think you can use the following method:
>
> 1. Establish the trust between the Windows 2000 and Windows 2003
> domain.
> HOW TO: Establish Trusts with a Windows NT-Based Domain in Windows 2000
> http://support.microsoft.com/default.aspx?scid=KB;EN-US;308195
>
> 2. When the trust is establish, the users in the Windows 2003 domain
> can access the resource in the Windows 2000 domain.
>
> 3. Create the user account in the Windows 2000 AD and disable these
> accounts. For example, there is an account named User1 in the Windows 2003
> domain, so create the same account User1 in the Windows 2000 domain.
> Disable User1 in Windows 2000 domain. Then configure the mail box on User1
> in Windows 2000 domain and associate the mail box to User1 to Windows 2003
> domain.
>
> Now the User1 in the Windows 2003 domain can use the mail box, which is
> maintaining in Windows 2000 domain. So you can keep the Domain.Com and
> Domain.Net AD structure.
>
> Another method is to migrate all the users in the Windows 2003 domain into
> the Windows 2000 domain, or create a child domain and migrate all the users
> to the child domain. It can maintain the two domains in an AD domain tree.
> However, the Windows 2003 domain will be ***.Domain.Com but not Domain.Net.
>
> Hope the above message helps.
>
>
> Sincerely,
> Carsyn Gu
> Microsoft Online Partner Support
>
> Get Secure! - www.microsoft.com/security
>
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> | Subject: windows 2003 migration from windows 2000
> | Date: Thu, 11 Nov 2004 21:46:01 -0800
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> |
> | hi everyone thanks for reading my post
> | can you join a windows 2003 domain to another windows 2000 ad as a
> tree,or
> | does everything have to be windows 2003.
> | i want to use the 2003 domain for user authentication in the windows 2000
> | domain for exchange mailbox permissions but not migrate it under that
> domain
> | ,so i can keep separate domain names like doman .com and domain.net. am
> i
> | right by joining it as a tree in the active directory.
> |
> |
>
>

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