Domino 9 Admin help states :
When an IBM=AE Notes=AE user enters a=
user
or group name in a Notes mail address field, the Notes client and mail
server search directories in the following order to retrieve the address
for the name.
About this task
If the user enters a common name rath=
er
than a hierarchical one, the server searches all directories according
to the search order specified for the directories.
If the user enters a hierarchical nam=
e,
only directories assigned naming rules that correspond to the hierarchical
name the user entered are searched. If there is more than one directory
assigned a naming rule that matches, the directory with the most specific
matching rule is searched first. For example, if a user enters the name
Phyllis Spera/Sales/Renovations,
the server first searches a directory with the rule /Sales/Renovations,
before searching a directory with the rule */Reno=
vations.
If directories have identical naming rules that match the name entered
by the user, search orders assigned to the directories determine the order
in which the directories are searched.
If a name is found during any step, s=
earches
continue only if the Recipient name lookup field in the Notes user's
current Location document is set to Exhaustively check all address books=
.
Search order is as follows:
1. The
user's Contacts
2. Any
local condensed directory catalogs on the client
Note: For searching to continue
to a server, the Mail file location field in the active Location
document must be set to On server. Type-ahead searches never continue
to a server if there is a condensed directory catalog on the client.
3. The
primary Domino=AE Directory on the user's mail server or directory server=
font>
4. Directo=
ries
defined in the server's directory assistance database that have the options
Make this domain available to: Notes clients and Internet Authent=
ication/Authorization
enabled