Issues expected with changing IP address of all servers including Exchange Server

At this time, we have 25 servers in our domain that include file and print, Citrix, Active Directory (Windows 2000 with 2003 AD schema), and application servers.  They are sitting on VLAN 1, IP'd with 172.31.0.0, and a subnet of 255.255.252.0.  We want to change all of the servers to 172.31.100.0 on a 255.255.255.0 and on VLAN 100.  What issues should I expect if all of the servers are on the same VLAN and subnet but the IP addresses change?  I understand that I will need to change my NAT's on the Firewalls, clean up my DNS and WINS, and change the DHCP scopes to hand out the new IP addresses of the DNS and WINS servers.  My fear isn't so much with the networking part; it's more with the Active Directory having issues and not allowing the users to log on as well as accessing Exchange server.  Does anyone have experience changing all of their servers to a different subnet?
WyleHouAsked:
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sr_millarCommented:
Hi,

The key here is to make sure that in DNS, your records for the domain controllers are updated (SRV I think). This is what client PCs and other devices such as Exchange use to locate a Domain Controller

If you get that straight you should be in good shape.

Here is a good article:

http://searchwinsystems.techtarget.com/tip/1,289483,sid68_gci924473,00.html

Stuart
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