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How to remove DC's from Sites and Services and from Domain - Windows 2003

Posted on 2008-10-02
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We have a remote office that is closing. This office has two W2K3 DC's on site. We need to properly remove these DC's from Sites and services, remove the site, and remove these DC's from our domain. I am planning on doing the following:
1) Review fsmo roles on these DC's.
2) Remove DHCP and DNS serivces from these DC's.
3) From SitesAndServices>Inter-SiteTransports>IP>DefaultSiteLink -- Remove the Site
4) Remove Site Connections from all remaining sites.
5) Remove these DC's from the Site.
6) Delete the Site.
7) Delete the Site's Subnet from Sites and Services
8) DCPROMO the DC's to remove AD.
9) Move these servers to a workgroup.

My questions are is this the correct order in which to do this? Are there any replication factors I need to consider? Is there anything I'm missing or any other tips I should be aware of.

Thanks,
mokn
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by:mokn
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I've seen the first two articles already and all three actually talk about a 'Failed' attempt to remove DC's. I have not started this process yet and am hoping to NOT have to refer to any articles relating to failed attempts. (you know what I mean?)

Also, none of these articles refer to removing a Site from Sites and Services. However, I did find in the third link references to stopping NTFRS. I will add this to my procedure.

I am looking to find if my procedures are correct, in the right order, if I'm missing anything, etc. Any other insite regarding Sites and Services are welcome.

Thanks,
mokn

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I removed the DC's and the AD Site and there were no problems or errors. Here are the steps I took:
1) Removed DHCP services.
2) From DNS console-Forward Lookup Zones, removed the server from the 'Name Servers' tab.
3) From DNS console-Reverse Lookup Zones-x.x.x.x subnet, removed server from the 'Name Servers' tab.
4) Removed DNS services.
5) Stopped the FRS services. (Although I don't think this made a difference)
6) Removed 'xyz Site' connections from the sites that were remaining.
7) Removed server from the 'xyz Site'.
8) Removed 'xyz Site' from Inter-Site Transports-IP
9) Removed 'xyz Site'.
10) Removed the Subnet from Sites and Services.
11) Ran DCPROMO to remove AD from servers.
12) Moved servers to workgroup.
13) Deleted servers from AD.
14) Checked repadmin a few time during the day to check for errors. No errors found.
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