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Upgrading from WinNT to Win2k

By NotYetanMCSE ·
1. Can I upgrade the WinNT PDC to Win2000 without installing Active Directory and still be able to run the network correctly?

2. And if I am able to do this, will I be able to Upgrade my DNS to 2000?

I honestly think this won't work but I need solid concrete proof....

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The only way to do that is to disconnect the server from the network and upgrade it. Then run dcpromo and uninstall AD. Then you could reconnect it to the network and join it to the domain. This will work, but it will only be a member server. You may have to resetup your shares and permissions.

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by NotYetanMCSE In reply to Upgrading from WinNT to W ...

I'm doing this on testbed servers so as not to mess up the production environment.

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by Joseph Moore In reply to Upgrading from WinNT to W ...

Ok, here is the deal.
1. If you put the Win2K CD into the drive of your NT4 PDC, and click yes to Upgrade, then Active Directory will be automatically installed, and the NT4 flat domain will be converted to the AD domain. That's how it works.
2. If you upgrade a NT4 machine running DNS to Win2K, then the DNS engine on it is also upgraded. The AD upgrade process would upgrade DNS, and add the SRV records and all of those other freaky DNS records that AD needs (like the ._LDAP one, etc).

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by NotYetanMCSE In reply to Upgrading from WinNT to W ...

That's not what happened when we did out testbed
upgrade. When we upgraded the PDC, I was able to cancel
the installation of Active Directory. So when the upgrade
was done, I had a Win2k server, a BDC a DNS (NT), and a
DHCP (NT)...Of course, logging on to the network didn't
work.

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by foiled In reply to Upgrading from WinNT to W ...

I'm not sure what you are trying to accomplish but it seems things went as would be expected. If you want to upgrade your PDC to a W2K Domain Controller you must have Active Directory. By not accepting AD then the server is just a member server of an NT4 Domain without a PDC which of course does not work.

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