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use the ADMT (active directory migration tool)
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hello .. there is migration tools <br />
<a href="http://www.microsoft.com/en-us/download/details.aspx?id=17488" rel="ugc">http://www.microsoft.com/en-us/download/details.aspx?id=17488</a><br />
<br />
and here look to migration guide : <br />
<br />
<a href="http://download.microsoft.com/download/a/9/4/a94c5f56-f7b5-4ec8-bcaa-1eadf84c4e3f/V3MigGuide.doc" rel="ugc nofollow">http://download.microsoft.com/download/a/9/4/a94c5f56-f7b5-4ec8-bcaa-1eadf84c4e3f/V3MigGuide.doc</a><br />
<br />
good luck <br />
<br />
Mo'een
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I think I need to back up on my question. &nbsp;I need advice on how to get to this point with the least amount of down time. &nbsp;Should I add a second site in AD sites and services at Location A and then add a server in that new site at Location B. &nbsp;Then migrate my users over to that server? &nbsp;Can I do that while my other Domain exists at Location B? &nbsp;This is the part I need suggestions on first. &nbsp;Sorry I was not more clear.<br />
<br />
Thanks
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More of interforest forest migration. You cannot clone the original or source domain as target domain. Pls see the link on limitation and do advise you see checklist on step and considerations<br />
<br />
<a href="http://technet.microsoft.com/en-us/library/ee424329(WS.10).aspx" rel="ugc">http://technet.microsoft.com/en-us/library/ee424329(WS.10).aspx</a>
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I have two locations and two domains. &nbsp;Location A which is our main location and Location B which is a secondary location. &nbsp;At these locations they are set up so that location A is Local.mycompany.com and location B is abccompany.com. &nbsp;They are two totally different domains, not even in the same forest. &nbsp;I am running a Windows 2003 domain on each side and have trusts set up because each location actually connects to and utilizes serves at each location. &nbsp;I am looking for the best configuration. &nbsp;I would like suggestions from users. &nbsp;Location A has around 10 servers and 100 + workstations and location B has 4 server with about 25 workstations. &nbsp;Mailserver is located at Location A and users currently login to that doamin and has a user id in order that send and receive email. &nbsp;I am think of just moving everyone to one domain, the one in Location A. &nbsp;It seems much simpiler. &nbsp;<br />
<br />
I also have a Windows 2008 server at each location but neither are domain controllers just yet.<br />
<br />
Any suggestions are welcome.<br />
Thanks!
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I have two locations and two domains.  Location A which is our main location and Location B which is a secondary location.  At these locations they are set up so that location A is Local.mycompany.com and location B is abccompany.com.  They are two totally different domains, not even in the same forest.  I am running a Windows 2003 domain on each side and have trusts set up because each location actually connects to and utilizes serves at each location.  I am looking for the best configuration.  I would like suggestions from users.  Location A has around 10 servers and 100 + workstations and location B has 4 server with about 25 workstations.  Mailserver is located at Location A and users currently login to that doamin and has a user id in order that send and receive email.  I am think of just moving everyone to one domain, the one in Location A.  It seems much simpiler.  

I also have a Windows 2008 server at each location but neither are domain controllers just yet.

Any suggestions are welcome.
Thanks!

migrate users to new domain

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.