Upgrade multiple BlackBerry Enterprise Server Express instances in phases

You can upgrade the BlackBerry® Enterprise Server Express instances in your organization's environment in phases to minimize the impact on users.
Before you begin: If you want to create a new BlackBerry Configuration Database, instruct users to back up their BlackBerry devices. Any BlackBerry device options that are stored in the existing BlackBerry Configuration Database are deleted when you add user accounts to the new BlackBerry Configuration Database.
  1. Install the latest BlackBerry Enterprise Server Express version with the BlackBerry Administration Service on a separate computer.
  2. If you create a new BlackBerry Configuration Database, create administrator accounts, groups, IT policies, and software configurations for your organization's environment.
  3. Move user accounts to the upgraded BlackBerry Enterprise Server Express by performing one of the following actions:
    • To upgrade an existing BlackBerry Configuration Database, move user accounts using the BlackBerry Administration Service.
    • To create a new BlackBerry Configuration Database, move user accounts using the BlackBerry Enterprise Transporter.
  4. Upgrade instances of the central push server for the BlackBerry MDS Connection Service.
  5. Upgrade the earlier BlackBerry Enterprise Server Express version using an in-place upgrade process. You can use the upgraded BlackBerry Enterprise Server Express instance as the destination for user accounts that you move from earlier BlackBerry Enterprise Server Express versions.
  6. Move user accounts to the upgraded BlackBerry Enterprise Server Express instances, and upgrade the old BlackBerry Enterprise Server Express instances until all BlackBerry Enterprise Server Express instances are running the latest software version.
After you finish: To enable BlackBerry device users to access the features that are part of the latest version, upgrade the BlackBerry® Device Software. For more information, see the BlackBerry Device Software Update Guide.

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