Upgrading The Blackberry Enterprise Server Software In Phases; Managing A Mixed-Version Environment - Blackberry ENTERPRISE SERVER FOR NOVELL GROUPWISE Upgrade Manual

Upgrade Guide
Upgrading the BlackBerry Enterprise Server software in
phases
The phased upgrade process maintains earlier versions of the BlackBerry® Enterprise Server software so that you can
gradually create new BlackBerry Enterprise Server instances and move user accounts to them.
Advantages
• You can move user accounts to the new BlackBerry
Enterprise Server instances gradually, for example, to
limit the number of service books and IT policies that
the BlackBerry Policy Service sends at one time.
• You can monitor system performance as you add user
accounts.
• You can reorganize your BlackBerry Enterprise Server
environment during the upgrade process by changing
user distribution patterns.
When you upgrade the BlackBerry Enterprise Server software in phases, the following events occur:
• BlackBerry devices that are running BlackBerry® Device Software Version 4.0 or later receive new service books, and
wireless data synchronization occurs.
• All BlackBerry devices receive new IT policies.

Managing a mixed-version environment

After you upgrade the BlackBerry® Configuration Database to Version 4.1 or later, you must use BlackBerry Manager Version
4.1 to administer all BlackBerry® Enterprise Server instances that use the BlackBerry Configuration Database.
In a mixed-version environment, the BlackBerry Manager version must not be later than the BlackBerry Configuration
Database version.

Upgrading the BlackBerry Enterprise Server software in phases

Disadvantages
• You require additional computers.
• You require additional SRP credentials.
• If you move user accounts from one BlackBerry
Configuration Database to another, you lose the
BlackBerry device options that you backed up in the
BlackBerry Configuration Database.
• You cannot use some new features (for example, one-
to-many relationships between a BlackBerry MDS
Connection Service or a BlackBerry Collaboration
Service and multiple BlackBerry Enterprise Server
instances) in the BlackBerry Enterprise Server
software until all BlackBerry Enterprise Server
components are at the same version.
6
23