Using the command line

Since Windows 2000 Server, dsadd.exe, a command-line tool, has been available to create objects, including OUs.

Run the following command line on a domain controller or any domain-joined Windows or Windows Server installation with the Remote Server Administration Tools (RSAT) for Active Directory Domain Services installed:

dsadd.exe ou "OU=Finance,DC=LucernPub,DC=com" -desc "Finance OU"