one domain Split

Is this a Windows 2000 or 2003 domain?

Do you have Enterprise Admin permissions to allow for the creation of a new domain?

Is Exchange in this enviornment?

And what is the real reason for the "I want my own domain" request? Security? Need to have a name in email?

the first rule of the defacto standard in designing domains is "keep it simple". Second is, "limit the # of domains". Third is "dont setup domains according to functional/departmental organizational structure of a company". Unless there is a security issue between the 2 "floors" that can't be resolved via Active Directory and NTFS permission, then adding a child domain for security is an avenue. If your still unsure, just think of the administrative burden you'll have managing 2 domains.

I am with both the other answers. If the floors are the same
company but diferent divisions then I would keep a single
domain. At the most make one a child domain. If it a
management / political issue then use OU's and delegate
appropriate admin ablities. By the design using Fiber and Cisco I
will guess the same company with seperate division managers
wanting ultimate control of "their""domain" (sounds like a
Seinfeld episode). I mayy be way off on the guess, but unless
security, or infrastructure require it I would stay in one domain /
forest.

razz

Welcome to Seinfeld,
Yes it is Win2k domain, with exchange.
one company is looking at splitting apart from the other. But it has been kept a secret, from one another, but being IT they want to now how to do it, how much it will cost and so forth.