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cjaggsFlag for United Kingdom of Great Britain and Northern Ireland

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How do I join a desktop computer to a new domain controller without losing the user profile (Windows XP desktop)?

We recently installed a new SBS 2003 server (domain controller) in the office, to replace an existing server.  I've mirrored all the settings of the old server and most things have worked ok, but all the computers in the office that were on the domain before are no longer trusted by the new domain controller.

I need to re-establish the trust connection between the desktops and the server but the only way I know to do this is to take the computers off the domain and put them back on again (e.g. change to workgroup and then back to the domain).  The problem with this is that I lose the user profiles on the desktops which I really need to try and avoid if possible.

Without connecting back up to the old server, is it possible to join these computers to the new domain controller, but keep the same domain user profiles on Windows XP?

I've tried using netdom.exe but that doesn't seem to work.  The computers all think they are already on the domain so I can't join the new domain without removing them from the old one first, which I can't do because it can't talk to the old domain controller.

Alternatively if I change the desktops to work off workgroups and then back to a domain, and the older user profile still exists somewhere on the system, can I somehow revert back to it after the event?  I thought I might be able to do this, but the old profiles are no longer listed in the user control panel if I do it this way.

By trade I am a web programmer, so this isn't really my area of experise and I'm struggling.  If there is a way of getting these computers on to the new domain without losing the XP user profiles then can anyone please tell me how?

Thanks to anyone who can help!
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Brian Pierce
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You have effectivly created a new domain with the same name. This is NOT the same domain that you had before. While the name may be the same all the security identifiers are different.

Your only option is to remove the computers from the domain that they think they are in - you can do this by logging on locally to the machine (use the ... (this computer) option from the Option dropdown box), right click on My Computer, Computer Name and Network ID and put the computer back into a workgroup

You then need to use the Connect Computer Wizard to rejoin the new domain.
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ASKER

Thanks for the quick response.  This is as I thought, but if I do this the user profiles on the desktops get replaced by new ones.  Is there no way I can remove the computer from the domain, re-join the new one and then somehow retrieve the previous user profile, e.g. make it seamless for the domain users.

Thanks.
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Brian Pierce
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ASKER

Thanks for your help with this.  I hoped there would be an easier way to retain the profiles without having to transfer settings etc, but if that's the only way to do it then so be it.

Thanks again.