Hi,
I've transferred my 2003 domain controller to 2012. Everything was perfect. The 2012 AD had all the users and replication was working great. netdom query fsmo verified that the new 2012 server was handling all the necessary roles. Had the 2012 and 2003 server running for a week.
Yesterday on the 2003 server I ran: dcpromo /forceremoval because I need to use that IP address on a new VM install for email purposes.
Now the problem is: After rebooting the 2003 server when I click on AD users and computers or AD Domains and Trusts it gives an error: "The configuration information describing this enterprise is not available. The specified domain either does not exist...." and "Naming information cannot be located because the domain does not exist..."
It's as if the 2012 server lost all the DC information. I went into DNS and removed all the references to the old domain controller.
Please help!
Thanks.