AdPrep in Windows Server 2012 – GUI

In the Previous blog we have learnt how to prepare the Active Directory Forest using command prompt. In this blog post we will be learning the same using GUI. To know how to promote using Command Prompt please click here.


Fully Functional Active Directory Forest (In this scenario we are running Windows Server 2008 R2).

Fully Functional DNS.

The account with which we are going to perform this action should be a member of Enterprise Admins and Domain Admins Group.

Windows Server 2012 should be a member of Domain.

DNS and AD DS role installed on Windows Server 2012.


Existing Environment

Domain Controller : DC1.MSEXCHANGETEAM.IN

Forest Functional Level : Windows Server 2008 R2

Domain Functional Level : Windows Server 2008 R2

Lets Explore

To start the installation. Open Server Manager and in the dashboard select AD DS. To know what option to select please go to step number 2.1 and 2.2 mentioned here.


Figure 1.1 : Deployment Configuration.

Adding an additional domain controller to an existing domain.


Figure 1.2 : Domain Controller Options


Figure 1.3 : DNS Options


Figure 1.4 : Additional Options


Figure 1.5 : Preparation Options

In figure 1.5 the setup gives us an option to prepare Forest and Domain.


Figure 1.6 : Option to review.


Figure 1.7 : Upgrading Forest Schema


Figure 1.8 : Upgrading Domain.


Figure 1.9 : Results. Setup completed successfully.

Upgrading Forest and Domain will not cause any downtime. It is just to welcome new Windows Active Directory Domain. This can also help in preparing for Migration to Windows Server 2012 Domains.

In the next part series we will be exploring how to move FSMO roles and demote the last 2008 DC from the network.

Happy Learning


MSEXCHANGETEAM | Ideas That Clicks

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