Which came first? Workstation or Server?

One thing to consider is that if you are actually MIGRATING (i.e., you will be upgrading existing workstations, not buying new or completely reinstalling the OS), then it is VERY advantageous to have Win2K server installed first. Win2K server has RIS (Remote Installation Services), which is built specifically to help you migrate workstations from other OS's to Win2K Pro, and the Active Directory Migration Wizard, which helps you migrate existing workstations from an old domain (NT 4.0) to a new one (Win2K AD). Obviously, both of these can be a big help when migrating from an NT 4.0 domain to a Win2K AD domain. To use those tools, you have to do the servers first. Also, IMHO, you need to consider the (pardon me for using buzzwords) "infrastructure" when upgrading your servers. It's much less disruptive to put a new domain structure and new servers in place while you still have an old domain that is active, stable, and reliably providing services for your users. I think that you should upgrade infrastructure first before workstations, so that the dust can settle before you start moving users to a new environment. It also allows you to make all the necessary decisions about the migration like domain policies, user rights, whatservers will provide what resources, etc., first, then set up your new structure and make sure it works the way you want it to by testing it with just a few workstations. So, all of that lends itself to the "top down" approach to a domain migration. Hope this helps!

The only reason is so that the machines in question are ready for ADS on first install. But I do agree with the other answer.

If you did the workstations first, you would have to adjust all of the local settings on the workstations TWICE. Once to get them setup on the current network then again when the servers are migrated/upgraded. Yet another reason to do the servers first.

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