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Removing all traces of an old domain

By rfraser ·
I have recently, changed my domain name because I was going to set up a VPN with another domain of the same name. After setting up the VPN, I am able to ping a server on the other domain with just one hope (by name). However, I'm unable to set up a trust relationship. In server manager I see the old domain name, I think it may be causing a problem.
How do I remove all traces of the old domain (name) and what are the effects?

Thanks

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Removing all traces of an old domain

by ?..... In reply to Removing all traces of an ...

Go to Start, Programs, Administrative tools, Server Manager and highlight the old computer name and deleted it. Sometimes it takes about 10-15 min. before the name disappears.

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Removing all traces of an old domain

by rfraser In reply to Removing all traces of an ...

The question was auto-closed by TechRepublic

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Removing all traces of an old domain

by maximus In reply to Removing all traces of an ...

First of all, I want to make sure you didn't just change the domain name and clarify that this is an NT domain?

If NT:
This means you had to completely reinstall NT on your PDC with the new Domain name. This also means you did the same with anyBDC AFTER you rebuilt the PDC. The problem is in the SID. After all PDC and BDC are rebuilt, all NT workstations need to be added to the new domain. Any 9x workstations would need to be redirected to the new domain. Until this happens you will still see your old domain name in your network browser due to the fact that you have machines reporting to the master browser about which doamin or workgroup it is a part of.

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Removing all traces of an old domain

by rfraser In reply to Removing all traces of an ...

The question was auto-closed by TechRepublic

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Removing all traces of an old domain

by Tony Hogan In reply to Removing all traces of an ...

#2 is on the right track here. Server Manager shows computers [in the default domain]. If you are seeing something here, it is a computer name and not the domain name. Changing the domain requires a full reinstall; you can change the computer name pretty much at will.
Also, re: trust relationships - if this is a WAN connection via the internet, I'd find an alternate means of accomplishing what you want. Trusts pretty much require dedicated connections [which the internet may claim to be but itisn't]. If you have dedicated lines, you should be ggod to go.

Out of curiosity, was the domain name "DOMAIN"? There's a lot of default installs out there and you've just hit on some of the VPN issues we've started to hit with mergers/acquisitions.

-tony

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Removing all traces of an old domain

by rfraser In reply to Removing all traces of an ...

The question was auto-closed by TechRepublic

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Removing all traces of an old domain

by vshipp In reply to Removing all traces of an ...

Some good points in the above answers,
You will definately have to rebuild the PDC to get the SID (Security Identifier)issues attached to the new domain name / PDC.
when this is complete, you will need to remove all prior entries of the old domain name from your WINS database(s) as well.
Make sure there are no legacy LMhosts files hanging around with referance to the old domain name.
On top of this, each client machine will need to be removed from the old, and added to the new domain (Server Manager or done by script)

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Removing all traces of an old domain

by rfraser In reply to Removing all traces of an ...

The question was auto-closed by TechRepublic

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Removing all traces of an old domain

by Curious_George In reply to Removing all traces of an ...

All of the above answers are only partially correct and are therefore partially wrong.

You CAN and have apparently changed the domain name on the PDC. Once you do this, you must reinstall the OS on all the BDCs, they cannot be moved in the same way. Additionally, You need to change all persistant connections on workstations that reference the old name, you need to re-establish any trusts.

You may find a regedit scan on the PDC and workstations, for the old domain name useful to find and alter the name to the new name.

No way around it it is a lot of work, you should consider how this compares to just making a new domain and mimicking all the accounts information, and moving all the workstations over to the new domain. Only you can know the details needed to correctly assess this question.

Good Luck

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Removing all traces of an old domain

by rfraser In reply to Removing all traces of an ...

The question was auto-closed by TechRepublic

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