Understanding the forest

As you know, in real life, a forest consists of trees. Likewise, in AD, a forest consists of one tree domain or a collection of tree domains. From that, it can be concluded that the tree domain actually represents a domain, which, if it is a root domain, represents the forest. Just like that, a forest is a domain too. Isn't that a closed circle?

To set up a forest in Windows Server 2019, as was the case with tree domains, use the Active Directory Domain Services Configuration Wizard as shown in Figure 5.5:

Figure 5.5: Setting up the forest in Windows Server 2019

A level below the tree domain represents the child domains,  ...

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