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Upgrading Network to W2K

By Cricket_Moon ·
Ok, here's the plan. I have 1 old hardware NT 4.0 PDC (SRV1) that I am replacing with a new box and installing W2K Adv. Server on. My plan is to run DCpromo on an Adv. Server that we currently have (SRV2) and demote our PDC (SRV1)to a BDC. Bring up the new machine(SRV3) as a Member Server, reconstruct the directory structures while the old(SRV1) and the new(SRV3) are running on the network. Then, remove the old PDC(SRV1) from the network. Rename the new machine (SRV3) to the same name thatthe original PDC had (SRV1). Then run DCPromo on the new machine. (Now called SRV1)
Correct me if I am wrong, but I can preserve the domain user information by upgrading the existing W2K (SRV2) to a DC, correct?
Seems to be the easiest way to do it. But, will the existing PDC (SRV1) allow itself to be demoted in favor of a W2K DC? Microsoft leads one to beleive so in suggesting that PDCs are upgraded first. That would leave the rest of the NT domain controllers as BDCs, right?

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Upgrading Network to W2K

by Aaron Bird In reply to Upgrading Network to W2K

I got a little confused there - but I think I know what you want to do :). Rebuild the new machine as a NT4 BDC (SRV3)and promote it. Then change the name of the old PDC to SRV4, then promote that with the new name. Then change the name of the new machine (SRV3) to the name of the old machine (SRV1) and re-promote that. Then do an upgrade on the new (renamed PDC - SRV1) to W2K and run DCpromo. As long as you sync your domain before your upgrade to W2K everything should be fine. It seems like a longwinded process but the steps are defined and do work (we did this 4 weeks ago). From my experiences it is best to run an upgrade on your PDC if you are doing an inplace upgrade - in fact I haven't heard of anyone doing it without upgradingthe PDC. Your other W2K machine can then be DCpromoed up to a W2K DC. And yes, all the rest of your old BDC's will still be BDC's.

I hope this helped - as the way I think you are trying to do it is a little back to front. It also depends on any services you have currently running.

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Upgrading Network to W2K

by Cricket_Moon In reply to Upgrading Network to W2K

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Upgrading Network to W2K

by bohicam1 In reply to Upgrading Network to W2K

Yes, run dcpromo on SRV2 first. That way all your user account info is intact.
If you install SRV3 as a member server, you will not get any user account info on it, I would suggest you take SRV1 offline and put SRV3 in as a dc right away as SRV1. This seems to make sense to me as the domain SID will be preserved with SRV2 already in there as a DC.
Good luck!

Mike

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Upgrading Network to W2K

by Cricket_Moon In reply to Upgrading Network to W2K

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Upgrading Network to W2K

by Cricket_Moon In reply to Upgrading Network to W2K

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