If the Directory tree contains only one container level (that is, if the Directory structure is flat), there is only one possible bindery context. For example, the following figure shows a Directory tree with only one level:

Bindery Context in a Flat Directory Tree
In effect, this structure is like a bindery and is not fully utilizing NDS. Because there is only one container object, you can set the bindery context on each server to O=ACME. You can do this using either of these methods:
nwcm -s ds_bindery_context="O=ACME"