do the computers that join the infected dc will still be connected to the dc ?
When you join the pc to the new domain then the pc will no longer connect to or associate the old domain
do the user folder will be the old one , or during the login a new folder
Even though the new domain has the same name it is in fact a new domain so a new domain user profile will be created at the first logon to the new domain. A work-around may be to logon once as the new domain user so the new profile gets created, then logon as another user with local admin rights, navigate to
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
find the new domain profile and point the expand string ProfileImagePath to the old profile.
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