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devices to use a hardened channel

Perform these steps to export a list of devices that are not already using a hardened channel. During migration, devices will be reactivated, and users may be impacted, such as with the reinstallation of work apps and profiles. For more information, visit to read KB99869. For more information about migrating devices, see the Configuration content.
For devices enrolled with DEP, the DEP enrollment configuration is not migrated and the devices will lose the enrollment configuration settings in the destination environment. Users must factory rest the devices and then reactivate the
BlackBerry UEM Client
after migration. For more information, visit to read KB 100525. 
In the app settings for all applicable apps, clear the
Remove the app from the device when the device is removed from BlackBerry UEM
option. If you attempt to migrate devices without clearing this option, the app is removed and the device may be unenrolled from
BlackBerry UEM
. However, even if you clear this check box, the app may still be removed during migration if the setting has not been delivered to the device. For more information on tracking commands being delivered to a device, visit to read article 102688.
  1. In the management console, on the menu bar, click
    Settings > Migration > iOS Hardened Channel
  2. Click
    . A list of devices that are not already using a hardened channel is downloaded. Note that devices that are in shared device groups are included in the export for information purposes only. These devices will be skipped during import and users must factory reset the device and then reactivate the
    BlackBerry UEM Client
  3. Click
    and navigate to the file that contains the devices that you want to migrate. Note that if the list that you downloaded in step 2 contains more than 1000 entries, you must divide the entries in the files that you upload so that they contain 1000 entries at most and upload multiple files.