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You need to ensure that a user named Contoso\User1 can promote DC10 to a RODC in the contoso.com domain

Your network contains an Active Directory domain named contoso.com. All domain
controllers run Windows Server 2012 R2.
In a remote site, a support technician installs a server named DC10 that runs Windows
Server 2012 R2. DC10 is currently a member of a workgroup.
You plan to promote DC10 to a read-only domain controller (RODC).
You need to ensure that a user named Contoso\User1 can promote DC10 to a RODC in the
contoso.com domain. The solution must minimize the number of permissions assigned to
User1.
What should you do?

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A.
From Active Directory Users and Computers, run the Delegation of Control Wizard on the
contoso.com domain object.

B.
From Active Directory Administrative Center, pre-create an RODC computer account.

C.
From Ntdsutil, run the local roles command.

D.
Join DC10 to the domain. Run dsmod and specify the /server switch.

Explanation:
A staged read only domain controller (RODC) installation works in two discrete phases:
1. Staging an unoccupied computer account
2. Attaching an RODC to that account during promotion
Reference: Install a Windows Server 2012 R2 Active Directory Read-Only Domain Controller (RODC)

31 Comments on “You need to ensure that a user named Contoso\User1 can promote DC10 to a RODC in the contoso.com domain

    1. memo says:

      you can’t do this using domain user account even if you create a computer account first
      you have to promote the RODC with a DOMAIN ADMIN account

      “Your current credentials are used by default. If they do not include membership in the Domain Admins group, click Alternate Credentials, and click Set to provide the wizard with a user name and password that is a member of Domain Admins.”

      source:
      https://technet.microsoft.com/en-us/library/jj574152.aspx




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      1. devnull says:

        Nope.

        “You can perform a staged installation of an RODC in which the installation is completed in two stages by different individuals. The first stage of the installation, which requires domain administrative credentials, creates an account for the RODC in AD DS. The second stage of the installation attaches the actual server that will be the RODC in a remote location, such as a branch office, to the account that was previously created for it. You can delegate the ability to attach the server to the account to a nonadministrative group or user in the remote location. ”

        https://technet.microsoft.com/en-us/library/cc754629%28v=ws.10%29.aspx




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  1. Ahmed says:

    C: is the correct answer

    User1 has no permission to deploy RODC.
    the question need you to give him the appropriate permission
    “The solution must minimize the number of permissions assigned to User1.”
    so, you should use command Ntdsutil.exe to make User1 Local Administrator




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  2. Karl says:

    B
    https://technet.microsoft.com/en-us/library/jj574152.aspx
    …..The Delegation of RODC Installation and Administration dialog enables you to configure a user or group containing users who are allowed to attach the server to the RODC computer account. Click Set to browse the domain for a user or group. The user or group specified in this dialog gains local administrative permissions to the RODC. The specified user or members of the specified group can perform operations on the RODC with privileges equivalent to the computer’s Administrators group. They are not members of the Domain Admins or domain built-in Administrators groups.

    Use this option to delegate branch office administration without granting the branch administrator membership to the Domain Admins group. Delegating RODC administration is not required.
    The equivalent ADDSDeployment Windows PowerShell argument is:
    -delegatedadministratoraccountname




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