How to Install Additional Domain Controller in Windows Server 2016



An Additional Domain Controller is required for services redundancy and for domain authentication improvement in remote Site. Additional Domain Controllers avoid business discontinuity in case of server failure for the primary Domain Controller. Multiple domain controllers can also improve performance by making it easier for clients to connect to a domain controller when logging on to the network.

Keep in mind

  • We need a Primary domain controller for this tutorial (
  • DNS server (In this case DNS is installed along with AD – )


Log in to the installed server 2016

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Configure network properties (Provide the DNS server’s address)

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Click Add roles and services

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Role based installation type is selected

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Install Active Directory Domain Service role

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Default features are installed

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After the Installation click Close

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Click Promote the server to a domain controller

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Provide the domain name and user credentials for deployment operations

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Provide DSRM password

Directory Services Restore Mode (DSRM) is a special boot mode for repairing or recovering Active Directory. It is used to log on to the computer when Active Directory has failed or needs to be restored.

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keep the default

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Provide the replication server (In this case primary server

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Keep the locations for AD DS database, log files and SYSVOL as it is

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Review options

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Install Active Directory Domain Services

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Log in after restarting the server

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Installed primary and additional Domain controllers will be visible at Active Directory Users and Computers

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