Introduction
The process of checking Active Directory (AD) functional levels remains consistent across Windows Server versions 2012, 2016, 2019, and 2022. Whether you’re managing an older or the latest Windows Server environment, the steps outlined in this tutorial will help you seamlessly navigate and confirm the Active Directory forest and domain functional levels using both the graphical user interface (GUI) and PowerShell. The uniformity of these procedures ensures that administrators can apply the knowledge gained in this tutorial across various Windows Server editions for a consistent and efficient management experience.
Prerequisites
- Access to a Windows Server with administrative privileges.
- Basic understanding of Active Directory concepts.
Checking Functional Level with GUI:
- Log in to the Domain Controller.
- Launch Server Manager.
- Navigate to Tools > Active Directory Domains and Trusts.
- Right-click on the domain and select Properties.
- View the Domain functional level and Forest functional level under the General tab.
Checking Forest Functional Level with PowerShell:
- Open PowerShell as an administrator.
- Execute the Get-ADForest cmdlet:
Get-ADForest | fl Name, ForestMode
Checking Domain Functional Level with PowerShell:
- Run PowerShell as an administrator.
- Utilize the Get-ADDomain cmdlet:
Get-ADDomain | fl Name, DomainMode
Conclusion
You have now acquired the skills to check the Active Directory forest and domain functional levels on your Windows Server, and it’s important to note that this process remains consistent across various Windows Server versions, including 2012, 2016, 2019, and 2022. This knowledge is crucial for ensuring that your AD environment operates at the desired functional level, allowing you to take full advantage of the latest features and capabilities.
Whether you opt for the user-friendly GUI or the powerful automation capabilities of PowerShell, the tools and steps provided in this tutorial remain applicable across different Windows Server versions. This versatility empowers you to verify and manage functional levels effectively, regardless of the specific Windows Server edition you are working with.
