i have my windows 2008 server which is a DC. I have got another server which is 2012 server.
i need to do the followig
1) migrate from windows 2008 to windows 2012 and promote 2012 as main DC
2) format 2008 server and do clean install of windows 2008
3) make again 2008 as main DC and demote 2012 as ADC.
what are the suggested steps