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  1. BlackBerry Docs
  2. BlackBerry UEM 12.17
  3. Installation and configuration
  4. BlackBerry UEM Installation and Upgrade
  5. Installing or upgrading the BlackBerry UEM software
  6. Upgrade a domain that consists of multiple instances of BlackBerry UEM

Upgrade a domain that consists of multiple instances of
BlackBerry UEM

If the recommended upgrade path is to upgrade
UEM
 versions in stages, then you must upgrade all instances to the first stage, restart them, and upgrade them all to the second stage. For example, if you are running
UEM
 version 12.11, you must upgrade all instances by two
UEM
 versions at a time to the latest
UEM
 version.
If you’re upgrading your environment in stages, test your environment after each stage of the upgrade to make sure everything is working as expected. If it is not, resolve any issues before proceeding to the next stage of the upgrade.
  1. If the upgrade path is from
    BlackBerry UEM
     version 12.9.1 or earlier, shut down all instances of
    UEM
     in the domain.
  2. Upgrade one
    UEM
     core instance.
    The setup application also backs up and upgrades the
    UEM
     database. After the upgrade, the
    UEM
     instance starts automatically.
    When you upgrade a core instance, you must use an upgraded management console instance to connect to that core and manage the domain.
  3. Upgrade the other
    UEM
     core or management console instances. You can upgrade these remaining
    UEM
     instances more than one at a time.
  4. Upgrade any
    BlackBerry Connectivity Node
    -only instances (that contain only the device connectivity components) last. You can upgrade more than one
    BlackBerry Connectivity Node
    -only instance at a time.