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Joining two domains to share data

Posted on 2007-04-03
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Last Modified: 2010-03-17
Hi All,

Ok i have two networks one win 2003 ad and one win 2000 ad, i have recently had  a fibre ran between these two networks and now i would like to connect to share data across the two.
Now the thing is i am going to e replacing the 2000 ad at some point this year i dont know if that makes any difference or not. How would i best go about setting up the routing between these networks, i have adsl routers and firewalls on both networks so could i use these to route the subnets or would i be best making one of the servers act as a router?
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Question by:georgemildred
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LauraEHunterMVP earned 500 total points
ID: 18842804
It sounds like you're asking two separate questions here, one about physical connectivity between two sites and one about consolidating two logical AD domains into one.
 
Physical connectivity - assuming that your two offices communicate with each other via the Internet, your best bet is to configure a site-to-site VPN between them for AD replication, since AD requires numerous open ports for which I wouldn't poke holes in a firewall if you paid me. You can configure a site-to-site VPN between an ISA server, firewall or router on each side of the tunnel.  

  If you have direct connectivity between the two offices (ie, one that does not traverse the Internet), then you can forego the VPN and simply configure an AD site for each office. The following article will give you tips in that vein: http://www.awprofessional.com/articles/article.asp?p=26866

Logical connectivity - if you wish to consolidate two separate Active Directory forests into one, take a look at the Active Directory Migration Tool, a free download that will suffice for many migrations. http://www.microsoft.com/downloads/details.aspx?FamilyId=6F86937B-533A-466D-A8E8-AFF85AD3D212&displaylang=en

Hope this helps.

Laura E. Hunter - Microsoft MVP: Windows Server - Networking
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by:georgemildred
ID: 18843003
hi and thanks for the response but really what im asking is i have the two networks physically connected via fibre and now i wish to share data across the two networks which are on different subnets, so my question is how best would i do this ie setting up one of the servers or both for routing and remote access or can i simply use my firewalls/routers to do the routing.

cheers
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by:LauraEHunterMVP
LauraEHunterMVP earned 500 total points
ID: 18843025
If you already have routers in place in each location I would use them to route traffic between your two sites, since that's pretty much their only purpose in life.
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