How to check Domain and Forest Functional Level in Windows 2003/2008/2008 R2/2012

How to check Domain and Forest Functional Level in Windows 2003/2008/2008 R2/2012

Applicable To: Windows Server 2003, 2008, 2008 R2 and 2012

GUI Method:

Open up Active Directory Domains and Trust (can be located in Administrative Tools), right click on Domain and click on Properties



Domain functional level and Forest functional level can be seen in General tab of Properties.



Powershell Method 1:

Open up powershell and run following cmdlets

Import-module ActiveDirectory

Then,

get-addomain | format-list domainmode

get-adforest | format-list forestmode


Output would look like below



Powershell Method 2:

Get-ADForest - Gets an Active Directory forest.

ForestMode            : Windows2012Forest (Shows the current Forest functional level)



Get-ADDomain - Gets an Active Directory domain.

DomainMode                         : Windows2012Domain (Shows the current Domain functional level)



- end of the article -

See Also:

Understanding Domain and Forest Functional Levels

Raise the Forest Functional Level

How To Revert Back or downgrade Windows Server 2008 R2 Forest and Domain functional Level

Active Directory Cmdlets in Windows PowerShell

What is the Impact of Upgrading the Domain or Forest Functional Level?
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