WORKAROUND:
The setting can be changed using the RMAD Powershell Management Shell by running the following command:
Set-RMADCollection -Name 'CollectionName' -Properties @{OverrideDefaultBackupUnpackSettings=$true;UnpackBackupsUponCreation=$false}
The collection state can be checked by running the following command:
Get-RMADCollection -Name 'CollectionName' | Select-Object *
Please note: The collection state will be displayed incorrectly in the UI.
STATUS:
This has been identified as a defect, RMADFE-1390, and has been submitted to Development for consideration in a future release of Recovery Manager for AD