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Configuring a new mirror database

If you create and configure a new mirror database after a role switch has occurred (that is, the 
BlackBerry UEM
 components failed over to the existing mirror database and the existing mirror database became the principal database), repeat Connect BlackBerry UEM to the mirror database on each computer that hosts a 
BlackBerry UEM
 instance.
If necessary, configure the components that manage 
BlackBerry
 OS devices to connect to the new mirror server (see Database high availability for components that manage 
BlackBerry
 OS devices
).