[DCINSTALL]
UserName=<The administrative account in the domain of the new domain controller>
UserDomain=<The name of the domain of the new domain controller>
Password=<The password for the UserName account>
SiteName=<The name of the AD DS site in which this domain controller will reside> This site must be created in advance in the Dssites.msc snap-in.
ReplicaOrNewDomain=replica
ReplicaDomainDNSName=<The fully qualified domain name (FQDN) of the domain in which you want to add an additional domain controller>
DatabasePath="<The path of a folder on a local volume>"
LogPath="<The path of a folder on a local volume>"
SYSVOLPath="<The path of a folder on a local volume>"
InstallDNS=yes
ConfirmGC=yes
SafeModeAdminPassword=<The password for an offline administrator account>
RebootOnCompletion=yes