Microsoft Active Directory – Domain and Forest Functional Levels June 20, 2018
AutomationMicrosoft Active DirectoryMicrosoft Windows PowerShellScripting

You may use the following (2) Microsoft Windows PowerShell cmdlets to view the domain and forest functional levels of a Microsoft Active Directory domain.

Get-ADDomain | Format-List Name, DomainMode
Get-ADForest | Format-List Name, ForestMode