Hello I had 2 DCs running server 2008R2 and now on of the DCs has been completely formatted and re-installed and is using a different domain. The problem is that I want to use the new domain on the other DC as well but I cannot demote the old domain since it cannot contact the other DC which he still thinks that exists.
How can I demote the old domain so that I can run dcpromo again for the new domain without doing a format preferably.
Thank you
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