Create Organizational Unit - Organizational Unit Section

Name

Provides a space for you to type the name of the organizational unit (OU).

Protect from accidental deletion

When this option is selected, it updates the security descriptor of the object—and, potentially, its parent—which denies all administrators or users of this domain and domain controller the ability to delete this object.

Note
This setting does not provide protection against accidental deletion of a subtree that contains the protected object. Therefore, we recommend that you enable this setting for all the protected object's containers, up to the domain naming context head.