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Follow these 2 sections to cleanup failed DCs in the domain. &nbsp;Do not follow this unless these servers are permanantly offline. &nbsp;If you remove a server that is still online by accident then that server must be taken offline and re-promoted to continue to serve AD.<br />
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Removing the failed server object<br />
Cleaning metadata of removed domain controllers<br />
<a href="http://technet2.microsoft.com/WindowsServer/en/library/8e3e4377-ef54-4a70-9215-a5d2ba4d0eb91033.mspx?mfr=true" rel="ugc nofollow">http://technet2.microsoft.com/WindowsServer/en/library/8e3e4377-ef54-4a70-9215-a5d2ba4d0eb91033.mspx?mfr=true</a>
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Follow these 2 sections to cleanup failed DCs in the domain.  Do not follow this unless these servers are permanantly offline.  If you remove a server that is still online by accident then that server must be taken offline and re-promoted to continue to serve AD.

Removing the failed server object
Cleaning metadata of removed domain controllers
http://technet2.microsoft.com/WindowsServer/en/library/8e3e4377-ef54-4a70-9215-a5d2ba4d0eb91033.mspx?mfr=true [http://technet2.microsoft.com/WindowsServer/en/library/8e3e4377-ef54-4a70-9215-a5d2ba4d0eb91033.mspx?mfr=true]

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It doesnt say any risk on doing this procedure is ther a &nbsp;risk on cleaning up metadata.<br />

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It doesnt say any risk on doing this procedure is ther a  risk on cleaning up metadata.


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We add new AD on the same forest2 into our infrastructure and decided to do separate forest, our admin remove the 2 DC unsuccessfully now there is a remains into the original AD. we have to clean it up using ntdsutil tools. can anybody provide me with the step by step procedure and what is the risk of doing this.
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We add new AD on the same forest2 into our infrastructure and decided to do separate forest, our admin remove the 2 DC unsuccessfully now there is a remains into the original AD. we have to clean it up using ntdsutil tools. can anybody provide me with the step by step procedure and what is the risk of doing this.

NTDSUtil.exe tools

The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.