Configuring Blackberry Configuration Database High Availability; Prerequisites: Configuring Database Mirroring Or Database Replication Of The Blackberry Configuration Database - Blackberry PRD-10459-016 - Enterprise Server For MS Exchange Administration Manual

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Administration Guide
Configuring BlackBerry Configuration
Database high availability
You can configure BlackBerry® Configuration Database high availability by configuring database mirroring. Database
mirroring requires that you configure a principal BlackBerry Configuration Database instance and a mirror BlackBerry
Configuration Database. The BlackBerry® Enterprise Server and BlackBerry Enterprise Server components can
connect to the principal BlackBerry Configuration Database, and, if the principal BlackBerry Configuration Database
stops responding, they can connect to a mirror BlackBerry Configuration Database automatically.
If your organization's environment does not support database mirroring, you can configure transactional replication.
When you configure transactional replication and the BlackBerry Configuration Database stops responding, you must
connect the BlackBerry Enterprise Server and BlackBerry Enterprise Server components to the replicated BlackBerry
Configuration Database manually.
Prerequisites: Configuring database mirroring or database
replication of the BlackBerry Configuration Database
Install the same version and build of Microsoft® SQL Server® for the mirror or replicated database server that
you installed for the principal database server.
Configure the database servers to permit access from remote computers.
Verify that the Microsoft SQL Server Agent uses a domain user account with the local administrative permissions
set to the same permissions as the Windows® account that runs the BlackBerry® Enterprise Server services.
Verify that the domain user account has permissons on both database servers so that each Microsoft SQL Server
Agent can access the shared replication folder.
Configure the database server that will host the mirror or replicated BlackBerry Configuration Database with
the same permissions that you configured on the database server that hosts the prinicipal BlackBerry
Configuration Database.
Verify that the DNS server is running.
If you turned on the automatic failover option for the BlackBerry Enterprise Server, use the BlackBerry
Administration Service to change the failover type to Manual until you finish configuring database mirroring or
database replication.
If you are configuring database mirroring, configure the database servers as follows:
Only use static port number 1433.
Verify that the SQL Server Browser is running.
Do not use named instances.
If you are configuring database mirroring, turn off the Named Pipes option in the Microsoft SQL Server Native
Client on the computers that hosts the BlackBerry Enterprise Server instances.
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Configuring BlackBerry Configuration Database high availability

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