Identify Domain and Forest Functional Level of Active Directory

As with any other Windows Server 2016 feature, you can identify what Active Directory (AD) Forest Functional Level (FFL) and Domain Functional Level (DFL) are using either the GUI or PowerShell. In the current article, we will see both.

Identify the Domain and Forest Functional Level using the GUI

Once you have connected to the Domain Controller (DC), open Server Manager and then the Active Directory Domains and Trusts console from the Tools menu.

Identify Domain and Forest Functional Level of Active Directory

Right-click the domain and then click Properties.

Identify Domain and Forest Functional Level of Active Directory

Here, on the General tab, you will see both the Domain Functional Level and the Forest Functional Level of Active Directory.

Identify Domain and Forest Functional Level of Active Directory

This window opens when you follow the same steps using the Active Directory Users and Computers console.

Identify the Domain and Forest Functional Level using PowerShell

To find the Domain Functional Level:

Get-ADDomain | fl Name, DomainMode

To find the Forest Functional Level:

Get-ADForest | fl Name, ForestMode

Identify Domain and Forest Functional Level of Active Directory

About Dimitris Tonias 143 Articles
My name is Dimitris Tonias, IT Pro, G(r)eek, focused on Server, Virtualization, and Cloud technologies.

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