Promotes or Demotes an Active Directory domain controller Command line parameters include: /answer[:filename /unattend[:filename ...

Promotes or Demotes an Active Directory domain controller  Command line parameters include:     /answer[:filename]     /unattend[:filename]     /adv     /CreateDCAccount     /UseExistingAccount:Attach  /answer is used to supply an unattended install script file. /unattend is used to specify the unattend operation mode /adv enables advanced user options. /CreateDCAccount specifies to create a read-only domain controller account /UseExistingAccount:Attach specifies to attach the server you are promoting to the read-only domain controller account you created for it previously  /CreateDCAccount and /UseExistingAccount:Attach are mutually exclusive. Unattended installation parameters can also be specified on the command-line.  For example:     dcpromo.exe /ReplicaOrNewDomain:Replica