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BlackBerry Enterprise Server 5 Implementation Guide by Mitesh Desai

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Chapter 7. High Availability

BES version 5 offers high availability (HA) straight out of the box. Unlike all previous versions where disaster recovery was offered as an active-passive model with a manual intervention, BES 5 offers this feature as a standard. In the previous versions, this meant that we would have to configure a standby server, which would usually mean an additional BlackBerry Server license, and at the time of failure, users would need to be issued with new service books if the SRP ID changed. In this chapter, we are going to have a look at the vast improvements made in this area with BES version 5, starting with how high availability is offered straight out of the box without any additional licensing issues. You would still need ...

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