Architecture: High availability for BlackBerry UEM
    BlackBerry UEM
The following diagram shows a high availability domain with two 
BlackBerry UEM
 instances. You can install any number of BlackBerry UEM
 instances. This topic explains how specific components are involved in a high availability configuration. For more information about the BlackBerry UEM
 architecture and components, see the Architecture content.
Components  | Description  | 
|---|---|
BlackBerry UEM  database | Each  BlackBerry UEM  instance connects to the BlackBerry UEM  database to access user and device data. | 
Management console and  BlackBerry UEM Core  | You can use any management console to manage the domain’s user accounts and devices. The  BlackBerry UEM Core  associated with that console carries out the management tasks.You can configure a round-robin DNS pool that connects to each console. If there is a problem with a console, the pool connects to a working console.   |