# Determine AD forest and domain level Get-ADDomain | select domainMode, DistinguishedName Get-ADForest | select forestMode From <[https://www.petri.com/raise-active-directory-domain-and-forest-functional-levels-using-powershell](https://www.petri.com/raise-active-directory-domain-and-forest-functional-levels-using-powershell)>