CmdID

CmdID / Commands

dcpromo

The dcpromo command installs, promotes, demotes, and removes Active Directory Domain Services (AD DS) from a Windows Server. Windows commands reference

On Windows File dcpromo.exe

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Windows

from the Windows commands reference, CC BY 4.0

The dcpromo command installs, promotes, demotes, and removes Active Directory Domain Services (AD DS) from a Windows Server. For examples of how to use dcpromo, see Examples.

The following example supplies an answer file named NewForestInstallation

dcpromo /answer:NewForestInstallationIdentify
/answerSpecifies an answer file that contains installation parameters and values. Windows commands reference

The following example creates the first domain controller in a new child domain where you expect to install at least some Windows Server 2025 domain controllers

dcpromo /unattend /InstallDns:yes /ParentDomainDNSName:contoso.com /replicaOrNewDomain:domain /newDomain:child /newDomainDnsName:east.contoso.com /childName:east /DomainNetbiosName:east /databasePath:"e:\ntds" /logPath:"e:\ntdslogs" /sysvolpath:"g:\sysvol" /safeModeAdminPassword:FH#3573.cK /forestLevel:10 /domainLevel:10 /rebootOnCompletion:yesIdentify
/unattendSpecifies an answer file that contains installation parameters and values. Windows commands reference

The following example creates another domain controller with the global catalog, and it installs and configures the DNS Server service

dcpromo /unattend /InstallDns:yes /confirmGC:yes /replicaOrNewDomain:replica /databasePath:"e:\ntds" /logPath:"e:\ntdslogs" /sysvolpath:"g:\sysvol" /safeModeAdminPassword:M6$,U8Gvx4 /rebootOnCompletion:yesIdentify
/unattendSpecifies an answer file that contains installation parameters and values. Windows commands reference