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Server 2003 domain upgrade
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Server 2003 domain upgrade
Wednesday, March 4, 2009 at 1:49 pm
Posted by Steve (2 messages posted)

Hi, we have small network here with 90 systems. We have a few Server 2003 boxes that run apps and are not domain controllers. We have a few Server 2000 boxes that run apps and are not domain controllers. We have two server 2000 boxes one is our domain controller it also does DHCP, DNS, and is a print server. We have a Server 2000 box that hold our ERP software and acts as a backup domain controller. The tech before me use the domain controller as a file server and messed around a lot with policies and to make a long story short messed it up bad. Since then the file serving has been moved to a different box. My boss wants to replace the domain controller because twice now it has blue screened. What we want to do is to start fresh with a box that has server 2003 on it. We do not want to do any replicating between the old bad server 2000 box and the new server 2003 box. Yet we want to keep the same domain name and computer name on both boxes. We have to do this because our ERP software prints using computer name not IP and it is a costly mess to fix this. So we want to use the same computer name. Last week I setup Server 2003 on a box and manually put in all the computer names and user accounts and setup the print server part. So last weekend my boss and I came into work and turned off the old Server2000 and plugged the server 2003 into the network. Computer seem to log in fine but when it comes to browsing around the network it was slow and we had a ton of errors in the ERP software. So we gave up and turned on the old Server 2000 and we were good to go. I looked at event viewer and came across Event ID 5722 a lot in the servers that we had going so we can see how they worked logging in. After looking around online I came to the conclusion that I will need to rejoin each PC to the domain so I have to touch each PC. I also did a lot of looking around to see what other people have done and 99% of them build a Server 2003 box, put it on the network and let it replicate and when they are ready promote it to the DC. I can not do that so I like to get some advice based on my restrictions what you would do to get this network to a 2003 domain.

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re: Server 2003 domain upgrade
Saturday, March 21, 2009 at 8:17 pm
Posted by appleoddity (2369 messages posted)

Well, you certainly will have to rejoin all the computers to the new domain. Thats the problem. If you just create a server 03 box and install DC services on it, it is an entirely new domain rather you name it the same or not. All the computers have to become a part of that new domain. I'm not sure why you cannot do this, but the way to do this is to go ahead and make the server 2003 box a backup domain controller for your current domain. First you have to demote the old DC before removing it from the network. I repeat, you cannot just turn off a DC. It has to be demoted first. If I understand you right, the DC you are shutting down is only a backup controller anyways? So, the 2003 box should take over nicely for that. Once you migrate the rest of your system up to 2003 levels or higher you can raise the functional level of your entire domain. Because you have 2000 DC boxes running you are pretty much stuck at a 2000 level anyways, even if you run 2003.

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