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Can I test a new Windows 2000 domain on the same network hardware as my existing NT domain? And can

Can I test a new Windows 2000 domain on the same network hardware as my existing NT domain? And can NT 4.0 and Win2k machines share the same DHCP server?

I have an NT 4.0 network running on SP6 (comprised of nine servers) and I am planning for a Windows 2000 network. The primary domain controller (PDC) is so old, slow and small that it needs to be replaced (not just an upgrade or migration), as do all of the other small servers. I'm running DHCP using subnets (192.168.1.x, 192.168.2.x, etc.).

  1. Can I use the same physical network hardware (routers, switches, etc.) to generate and test a new Win2k domain using all new servers without affecting the current NT domain or its users?

  2. Do I need to change the current NT 4.0 DHCP scope, which starts at 192.168.1.20 and goes up to 192.168.1.32 for static IP addresses, so that I can continue to use the same range of addresses to accommodate the new servers on the current physical network while building a Win2k network and domain?
  1. Not if you are going to name the Windows 2000 domain the same as the NT domain. So if your NT 4.0 domain is called OUTCOMPANY and you call your test Windows 2000 TESTMYCOMPANY, you will be fine. Keep in mind that the Windows 2000 machine will want to dynamically update the DNS, so you may want to build a local DNS on the server, as opposed to using the corporate one.

  2. As longs as you do not overlap IP addresses, it is okay for the Win2k and NT machines to use the same DHCP server.
This was last published in October 2002

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