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troubleshooting Question

HELP! Network Infrastructure Revamping to DNS, Active Directory, DHCP, Web Server, Exchange, file/print

Avatar of MightyMikey
MightyMikeyFlag for United States of America asked on
Server HardwareEmail ServersNetwork Management
4 Comments1 Solution650 ViewsLast Modified:
I'm relatively new to the server environment, forgive me if my questions are rather elementary:

I have been tasked with revamping a semi-abandoned network.  The following is a snapshot of the network (please keep in mind that we ordered new servers for the revamp):

1-Domain Controller (Win NT 4.0), Another server for DHCP and applications (win 2003), the rest of the servers are application servers (win 2003's).  I also believe we have one of the application servers hosting an internal DNS, but the DHCP points all machines to the ISP provided DNS's.  We host our email and website through external vendors.

The domain controller is running on Windows NT 4.0 and holds about 150-200 users.  Roughly a quarter or half of the users are not with the company anymore (the domain controller was abandoned).  Additionally, they previously had no username naming scheme or any policies other than those which are set by default.  DHCP IP addressing is a class C.  Three branches are connected to corporate via dedicated T1's while corporate has three dedicated T1's to the cloud.

We have ordered the following:
New domain controller (Will run: DNS, AD, DHCP) (any other networking service?)
Exchange Server (will host email)
Web Server (Will host website and web applications)
File/Print Server (will additionally host endpoint protection)
File Backup Server (NAS) (offsite at one of the branches)

The only server we will be replacing is the old NT box.  We will not migrate anything over to any of the new servers; for all intents and purposes, this is a fresh start for our IT.  We will manually enter all users and directory information into active directory to ensure that there are no un-needed users.  Branch IP's are dished out by the local router.  It's my job to make this happen.

Based on the above mentioned, I have a few questions (AND I'M FREAKING OUT):

Where should I start implementing? (which server what services/roles and in what order?)
What adjustments will I have to make to the web domain name?
What is the best way for me to setup the DNS and AD with the additions of the webserver and exchange keeping the external domain name in mind?
What internal domain should I use? (making it easy to migrate old email services to new)
How should I setup the DNS?
What can I do to minimize email outage?
How should I roll-out the new equipment without interfering with the day-to-day network activity?

Any other recommendations?  PLEASE HELP...I'M FREAKING!
Avatar of Chris Dent
Chris DentFlag of United Kingdom of Great Britain and Northern Ireland imagePowerShell Developer
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