Replacing a Win NT Domain with a Win 2000 Server

Posted on 2005-05-12
Last Modified: 2010-04-14
Hi I have a WinNT 4 domain which users log onto as there file and print server.  I am phasing out this server and it will be replaced by a Win 2000 Server sp3.  The 2000 Server is all ready setup, AD, DNS configuredl in a test lab, with 3 test PCs.
The current network, all the users log onto the NT 4 Domain, I am going to keep the same internal domain name.  My client PCs are WIn2000 Pro.  

Issue - When I am testing this out, if I plug in a client PC into the switch in th etest lab with the 2000 server plugged in as well, try logging onto the domain, I am able to log in, no login script.  I look on the 2000 Server Event Viewer see "error code 5513 - the computer tried to connect to the server
"server" using the trust relationship established by the server domain, however the PC lost the correct SID when the domain was reconfigured, re-establish the trust."

I removed the PC from the domain, rejoined to the domain.. a nd it worked... my issue is I have 100 users, any way around this?

Question by:nutekconsultants
    LVL 95

    Accepted Solution

    Two ways.  The easy, "meant to be done this way" way - Upgrade the domain.

    The harder, "you can do it if you must" way, use Active Directory Migration Tool to migrate the user and computer accounts to the new domain.

    (When a computer running NT/2000/XP joins a domain, a unique SID is assigned to it as well as a password.  Because of this, you can't simply swap one domain for another of the same name.  The correct procedure to upgrade the domain is to make an NT4 BDC and pull it off then network (this is your backup).  Then upgrade the PDC to 2000.  Generally, this works quite well (I've done it a few times and not had any significant problems).  Of course, you need to read more detailed info on upgrading, preparing DNS, etc.

    Author Comment

    Ok I got that resolved thanks " leew "
    I forgot to mention in my previous posting that after I did the Win2000 migration I also need to get GroupWise running on this 2000 server, previusoly it was alos running on the NT Server
    I have installed E-Directory, mad ethe 2000 server a master nds browser, when I plug in the 2000 Server users are able to log into the server and GroupWise, but as soon as I unplug the NT Server nothing works.!?


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