If you link Active Directory in order to use the directory information managed by Active Directory at the managing server, you must specify the Directory Linkage page.

Figure 4-21 Directory Linkage page

Link to Active Directory

Select this check box to link to Active Directory. The default is that this check box is not selected.

Number of entries that can be acquired at one time

Specifies the number of entries that can be acquired at one time when directory information is acquired from Active Directory. This value must match the setting for Active Directory's page size (the default is 1,000).

You can use the Windows Ntdsutil command to check Active Directory's page size.