RE: Migration NT4->W23 with same WINS/DNS Namespace
From: Rebecca Chen [MSFT] (v-rebc_at_online.microsoft.com)
Date: 10/22/04
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Date: Fri, 22 Oct 2004 08:03:08 GMT
Hi Thomas,
Using the same NetBIOS name and DNS name will cause the problem if you
perform an in-place upgrade as you have mentioned.We call this issue as
"Perioded Windows NT Domain Name" issue.
If the you use a perioded domain name (for example, domain.com) as your
NETBIOS domain name for Windows NT, you may encounter the following problem
during the inplace upgrade of the Windows NT domain:
"The name "domain.com" is already in use on this network. Type a name that
is not in use."
Generally speaking, it is a bit difficult to resolve this problem and may
have many side effects in the long run. We can try two possible solutions:
1. Upgrade using a new DNS domain name. (Should work but is not a good
solution in the long run.)
2. Rename the existing NT "domain.com" NetBIOS domain name before the
upgrade.
Reference:
288443 Cannot Use Same NetBIOS Name When You Upgrade a Windows NT 4.0
Domain to
http://support.microsoft.com/?id=288443
You may also consider using the migration process: use ADMT to migrate
user/computer accounts, use FSMT to migrate file servers etc.
Following are the nice documents:
Migrating Accounts From Windows NT 4.0 Domains to Windows 2000
http://www.microsoft.com/technet/community/columns/profwin/pw0402.mspx
Migrating from Windows NT Server 4.0 to Windows Server 2003
<http://www.microsoft.com/seminar/shared/asp/view.asp?url=/Seminar/en/200303
24TNT1-74/manifest.xml>
Active Directory Migration Tool Overview
http://www.microsoft.com/windows2000/techinfo/planning/activedirectory/admt.
asp
Any questions, let us get in touch!
Best regards,
Rebecca Chen
MCSE2000 MCDBA CCNA
Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security
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--------------------
>From: "Thomas Comiras" <anonymous@discussions.microsoft.com>
>Subject: Migration NT4->W23 with same WINS/DNS Namespace
>Date: Thu, 21 Oct 2004 16:17:02 +0200
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>I have a large NT4 based environment which I like to migrate to Windows
>2003.
>
>NetBIOS domain name: company.com
>DNS domain name: company.com
>
>>From the top of my head there was an issue regarding to migrate to Windows
>2000 if NetBIOS Dom and DNS Dom are equal and with a "." in the NetBIOS
>Domain.
>
>My concept is to setup an additional NT4 PDC Server --> upgrade this one
>inplace --> W23 PDC EMU/AD Controller. NetBIOS and DNS domain name has to
be
>same like it was in my NT4 environment.
>
>- Are there still issues with W23 which I have to attend?
>- Will I have problems to access shares, logon to the network or any AD
>trouble?
>- Does MS support the "." in the NetBIOS Domain particularly with regard to
>exactly the same name for DNS and NetBIOS in my W23 environment?
>
>Thanks a lot!
>
>Thomas
>
>
>
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