Changing When Automatic Failover Occurs By Customizing The Health Parameters For User Accounts And Messaging Servers - Blackberry PRD-10459-016 - Enterprise Server For MS Exchange Administration Manual

Administration Guide
Health parameter
Attachment viewing
Connection to the BlackBerry
Configuration Database
Push application access
BlackBerry Collaboration Service
BlackBerry Policy Service
BlackBerry Synchronization Service
Organizer data synchronization
Changing when automatic failover occurs by
customizing the health parameters for user accounts
and messaging servers
By default, the health parameters for user accounts and messaging servers use percentages to determine when a
BlackBerry Enterprise Server instance is unhealthy. The User accounts health parameter indicates a BlackBerry Enterprise
Server instance is unhealthy if less than 75% of the user accounts are started. The Connection to the messaging server(s)
health parameter indicates that a BlackBerry Enterprise Server instance is unhealthy if the BlackBerry Enterprise Server
instance cannot connect to at least 75% of the messaging servers in your organization.
If either of these health parameters indicate that the primary BlackBerry Enterprise Server is unhealthy and you turn on
automatic failover, the BlackBerry Enterprise Server starts the failover process. You can change the percentages of these
health parameters to customize when you want automatic failover to occur in your organization's environment.
For example, if your organization requires that all users can access email messages from BlackBerry devices at all times
and that the BlackBerry Enterprise Server is connected to all of the messaging servers at all times, you can change the
value of the Connection to the messaging server(s) health parameter to 100%.
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Description
This health parameter indicates whether the BlackBerry Messaging Agent can
provide services for attachment viewing.
This health parameter indicates whether BlackBerry Enterprise Server
components can connect to the BlackBerry Configuration Database.
This health parameter indicates whether the BlackBerry MDS Connection
Service can push application data to BlackBerry devices.
This health parameter indicates whether the BlackBerry Collaboration Service
can provide services for the collaboration client on BlackBerry devices.
This health parameter indicates whether the BlackBerry Policy Service is
available. You cannot set the failover threshold or promotion threshold below
this health parameter.
This health parameter indicates whether the BlackBerry Synchronization
Service is available. You cannot configure the failover threshold or promotion
threshold so that they are below this health parameter.
This health parameter indicates whether the BlackBerry Synchronization
Service can synchronize organizer data between BlackBerry devices and the
messaging server over the wireless network. You cannot configure the failover
threshold or promotion threshold so that they are below this health parameter.
Configuring BlackBerry Enterprise Server high availability