• BlackBerry® Enterprise Server
• Microsoft® Exchange Server

You should perform the steps outlined in this article when attempting to migrate from Microsoft Exchange Server 5.5 to Microsoft Exchange Server 2003. 

Note: The Messaging Application Programming Interface (MAPI) subsystem level on the BlackBerry Enterprise Server must be equal to or higher than the highest level installed on any Microsoft Exchange Server in the environment.

Recommendations

1. Uninstall Exchange System Manager 5.5 or 2000.
2. Install Exchange System Manager 2003.
3. Install Service Pack 2 for Exchange System Manager.

Assigning correct permissions for Microsoft Exchange 2000 and Microsoft Exchange 2003

Task 1

Grant the BlackBerry Enterprise Server administration account the View Only Administrator permission to enable read access of the Microsoft Active Directory®.

1. Open the Microsoft Exchange System Manager.
2. Right-click an administrative group folder, and then select Delegate control.
3. Click Next, and then click Add.
4. Click Browse.
5. Select the BlackBerry Enterprise Server administration account from the list, and then click OK.
6. In the Delegate Control dialog box, select Exchange View Only Administrator from the drop-down list, and then click OK.

Task 2

Grant Send As, Receive As, and Administer Information store permissions to the BlackBerry Enterprise Server administration account.

1. In the Microsoft Exchange System Manager, expand Administrative Groups.
2. Right-click the Exchange Server that will be hosting the BlackBerry device users′ mailboxes.
3. Click Properties, and then click the Security tab.
4. Select the BlackBerry Enterprise Server administration account.
5. In the Permissions window, grant the Send As, Receive As, and Administer Information store permissions.
6. Click Apply, and then click OK.

Task 3

Verify the Send As, Receive As, and Administer Information store permissions at the mailbox store level.

1. Select the mailbox store(s) for the Exchange Server(s) that will be hosting BlackBerry device users′ mailboxes.
2. Click Properties, and then click the Security tab.
3. Select the Allow inheritable permissions from parent to propagate to the object option.
4. In the Permissions window, verify that Send As, Receive As, and Administer Information store permissions are granted.

Updating the BlackBerry Enterprise Server with the new mailbox location

After you move BlackBerry device users from Exchange 2000 Server to  Exchange 2003 Server, the BlackBerry Enterprise Server must be updated with the new mailbox location. Use one of the following three methods to do this:

• Important: Restarting the BlackBerry Enterprise Server or certain BlackBerry Enterprise Server services will delay email message delivery to BlackBerry devices. For more information, see KB04789.

• Stop and start all of the BlackBerry Enterprise Server services.
• Restart the BlackBerry Enterprise Server.
• Run handheldcleanup.exe -u from the command prompt. For more information on the handheldcleanup.exe tool, see KB00140.

If a BlackBerry device user is unable to send or receive email messages after the mailbox has been moved, see KB00142 for more information.

Cleaning up the MAPI subsystem to resolve any issues

If you experience any issues after completing the steps above, you can clean up the MAPI subsystem profile information as follows:

Warning: The following procedure involves modifying the computer registry. This can cause substantial damage to the Microsoft Windows® operating system. Document and back up the registry entries prior to implementing any changes.

1. Navigate to the following registry key.

   HKEY_CURRENT_USERSoftwareMicrosoftWindows NTCurrentVersionWindows Messaging SubsystemProfiles

2. Export the Profiles key.
3. Delete every folder under Profiles. Do not delete the Profiles folder itself.
4. Delete the DefaultProfile key when you select Profiles.
5. Close the Registry Editor.
6. Go to Start > Programs > BlackBerry Enterprise Server > Edit MAPI profile > Resolve the MAPI profile.
7. Launch the BlackBerry Manager and resolve the MAPI profile.
8. Restart the BlackBerry Enterprise Server.

   Important: Restarting the BlackBerry Enterprise Server will delay email message delivery to BlackBerry devices. For more information, see KB04789.