If you plan to move user mailboxes to the destination BlackBerry Domain, as a best practice, consider moving the user mailboxes before you migrate user accounts to the destination BlackBerry Domain.

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Create a BlackBerry Configuration Database, and install the BlackBerry Enterprise Server instances. During the installation process, if the BlackBerry Enterprise Server instances use the same SRP information as the BlackBerry Enterprise Server instances in the source BlackBerry Domain, do not verify the SRP credentials and do not start any BlackBerry Enterprise Server services except for the BlackBerry Administration Service services.

BlackBerry Enterprise Server Installation Guide

In the BlackBerry Administration Service, create the groups, IT policies, roles, and software configurations that you want to duplicate from the source BlackBerry Domain.

BlackBerry Enterprise Server Administration Guide

Back up the BlackBerry Configuration Database.

BlackBerry Enterprise Server Upgrade Guide

In an IBM® Lotus® Domino® environment, you can copy the BlackBerry state databases and BlackBerry profiles databases from the source BlackBerry Enterprise Server instances to the destination BlackBerry Enterprise Server instances. You can perform this task if you do not want the BlackBerry Enterprise Transporter to replicate the databases during the migration process.

IBM Lotus Domino documentation

If you plan to use the BlackBerry Enterprise Transporter in bulk mode, in a Microsoft® Exchange or Novell® GroupWise® messaging environment, you must configure the destination BlackBerry Enterprise Server instances to use the same BlackBerry Enterprise Server instance names (ServerConfig.ServiceName) and SRP IDs that the source BlackBerry Enterprise Server instances use. In an IBM Lotus Domino messaging environment, you must configure the destination BlackBerry Enterprise Server instances to use the same SRP IDs that the source BlackBerry Enterprise Server instances use.

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Notify users that applications on the BlackBerry device that use a data connection through the BlackBerry MDS Connection Service might experience a service interruption until the user account is moved to and activated on the destination BlackBerry Enterprise Server.

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