I am replacing and Windows Server 2008 SBS Domain controller with a 2012r2. I performed most steps except the dcpromo to unjoin the 2008 server becuase dcpromo will not run. Some items have not appeared to move over to the 2012 control and the 2008 server is now having problems (e.g. it takes 20 minutes to login and the network shows it is not online but I can ping and access shared folders).
I have attached a dcdiag test from the 2012 server. What is the best way to move all the operations for the DC from the 2008 (broken server) to the new 2012 server WITHOUT demoting the 2008 server? As mentioned, the 2008 server won't allow me to run dcpromo
Please review dcdiag attachment and provide any recommendations so that I may sunset the 2008 server off the network.