If you have set up connection types for Active Directory, LDAP or eDirectory, then you will need to set up where you want object searches to begin in the tree.
To select where you want the object search to begin:
In the Connection Type Properties grid, click Search Start, then click to open the Branch Browser dialog box.
Select the branch where you want the search to begin, then click OK. The selected values appear in the property grid.
to open the Branch Browser dialog box.