You have to remove the application from the software config before creating the explicit App Control Policy. See the following KB article: KB14879-Application permissions appear on the BlackBerry smartphone as Prompt even if the IT policy is set to Allow
Before creating an explicit Application Control Policy, make sure to un-assign the application from software configuration if it has been assigned to the BlackBerry users or groups to avoid the following error. |
xxx8220;The application control policy associated with a software configuration that has been assigned to a user or group could not be deleted. You must cancel to view the previous application control policies settings.xxx8221; Please refer to KB23851 for more information about this error.
So that would mean that the users will have the app removed. But maybe you can try the following (I haven't tested this):
As the standard delay for App and IT Policy deployment tasks is 15 minutes, you could remove the App from the Software config, create the explicit App Control Policy and then assign the App to the Software config again. If you do that within 15 minutes, the changes will not be sent to the devices.