Re: Followup - Domain/Functional Level had been modified!
From: Rebecca Chen [MSFT] (v-rebc_at_online.microsoft.com)
Date: 12/28/04
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Date: Tue, 28 Dec 2004 03:21:59 GMT
Yes, Interim mode is the best option.
I suggest you raise hte foest function level to Windows Server 2003
interim. Windows Server 2003 Active Directory permits a special forest and
domain functional level named Windows Server 2003 interim. This functional
level is provided for upgrades of existing Windows NT 4.0 domains where one
or more Windows NT 4.0 backup domain controllers (BDCs) must have to
function after the upgrade. Windows 2000 domain controllers are not
supported in this mode.
Windows Server 2003 interim can be activated in three different ways. The
first two methods are highly recommended because security groups use linked
value replication (LVR) after the Windows NT 4.0 domain's primary domain
controller (PDC) has been upgraded to a Windows Server 2003 domain
controller. The third option is sub-optimal because membership in security
groups uses a single multi-valued attribute which may result in replication
issues.
Please refer to the following article, with the snippet Interim Level -
Upgrade from a Windows NT 4.0 Domain
How to raise domain and forest functional levels in Windows Server 2003
http://support.microsoft.com/default.aspx?scid=kb;en-us;322692#5
In addition, as Herb has stated, domain and forest function level cannot be
rolled back after rasied. You'd better perform a full backup before you
take any action.
HTH!
Best regards,
Rebecca Chen
MCSE2000 MCDBA CCNA
Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security
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