Command line parameters include: /unattend[:filename Used to specify the unattend operation mode or supply an unattended ...

Command line parameters include:

/unattend[:filename]
     Used to specify the unattend operation mode or supply an unattended install script file.

/adv
     Enables advanced user options.

/uninstallBinaries
     Used to uninstall Active Directory Domain Services binaries.

/CreateDCAccount
     Creates an RODC account.

/UseExistingAccount:Attach
     Attaches the server to an RODC account.

/ForceRemoval
     Forcefully uninstalls Active Directory Domain Services on this domain controller. The account for the domain controller will not be deleted in the directory, and changes that have occurred on this domain controller since it last replicated with a partner will be lost.

/?
     Will display this help.

/?[:{Promotion | CreateDcAccount | UseExistingAccount | Demotion | ForceRemoval}]
     /?:Promotion, /?:CreateDCAccount, /?:UseExistingAccount, /?:Demotion and /?:ForceRemoval will display unattend parameters applicable to the specified task. /CreateDCAccount, /UseExistingAccount:Attach and /ForceRemoval are mutually exclusive.

Unattend parameters can also be specified on the command-line. For example:

   dcpromo.exe /ReplicaOrNewDomain:Replica