contact list, the BlackBerry Configuration Database might not contain the contact information for all user accounts on your
organization's messaging server.
If the BlackBerry Configuration Database does not contain contact information for a user account, you cannot create the
user account by searching for the contact information in the BlackBerry Administration Service. You can only create the
user account if you use the Add from company directory option in the BlackBerry Administration Service. The Add from
company directory option permits the BlackBerry Mail Store Service to search the contact information that is stored in the
messaging environment so that you can create the user account even if the BlackBerry Configuration Database does not
contain the contact information for the user account.

Configure the BlackBerry Mail Store Service instance

that updates the contact list

1. Copy the BlackBerry Enterprise Server installation media to a computer that hosts a BlackBerry Enterprise Server
instance.
2. Extract the contents to a folder on the computer.
3. At the command prompt, navigate to <extracted_folder>\tools.
4. Perform one of the following actions:
• To permit a BlackBerry Mail Store Service instance to update the contact list, type Traittool -host
<instance_name>
-trait MailstoreAddressRefreshEnabled -set true, where <instance_name> is the name of the
BlackBerry Enterprise Server instance that you installed the BlackBerry Mail Store Service with.
• To prevent a BlackBerry Mail Store Service instance from updating the contact list, type Traittool -host
<instance_name>
-trait MailstoreAddressRefreshEnabled -set false, where <instance_name> is the name of the
BlackBerry Enterprise Server instance that you installed the BlackBerry Mail Store Service with.
5. Repeat step 4 for each BlackBerry Mail Store Service instance.
Configuring a Hosted BlackBerry servicesenvironment
Hosted BlackBerry services permit you to make the BlackBerry Enterprise Server that is in your organization's environment
available to other organizations (for example, SMBs). When you include Hosted BlackBerry services in your organization's
environment, one or more organizations can subscribe to your organization's BlackBerry Enterprise Server.
If your organization hosts a BlackBerry Enterprise Server and multiple organizations subscribe to Hosted BlackBerry
services, you must customize the BlackBerry Enterprise Server so that BlackBerry device users can access only their
Administration Guide Managing a BlackBerry Domain
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