Prevent a user from checking the availability of meeting participants on the BlackBerry device

By default, when a BlackBerry device user creates a meeting request , the BlackBerry device user can check to see if a potential participant is available. You can turn this feature off if you want to minimize the resource impact of the BlackBerry Enterprise Server on your organization's messaging server.
Before you begin: If your organization's environment includes Microsoft Exchange 2007, configure the system public folder’s Schedule + Free Busy properties. For more information, visit www.microsoft.com to read article 397221(EXCHG.80) and article 691120(EXCHG.80).
  1. In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component View > Email.
  2. Click the name of the BlackBerry Enterprise Server instance or BlackBerry Enterprise Server pair that you want to change.
  3. Click Edit instance.
  4. On the Messaging tab, in the Messaging Options section, change Free busy lookup turn on to False.
  5. Click Save All.
  6. Restart the BlackBerry Enterprise Server using one of the following methods:
    • If you want to change a BlackBerry Enterprise Server instance, on the Instance information tab, click Restart instance.
    • If you want to change a BlackBerry Enterprise Server pair, click one of the instances, and on the Instance information tab, click Restart instance. Repeat this step for the other instance in the pair.
    • In the Windows Services, restart the BlackBerry Dispatcher.
  7. Repeat step 2 to step 6 for each BlackBerry Enterprise Server instance that you want to turn off the feature for.
After you finish: To allow the user to check the availability of a potential meeting participant, in the Messaging Options section, change Free busy lookup turn on to True. Click Save all. Restart the BlackBerry Enterprise Server.