How to Synchronize between Apple VPP and CapaInstaller
VPP Synchronization
When you add a VPP account in CapaInstaller, a global task will automatically be created which periodically synchronizes licenses and users between Apple and CapaInstaller.
The schedule of this synchronization task can be changed by clicking the Global Tasks menu button in System Administration, which opens the list of tasks. Right-click the task "Synchronize Apple Volume Purchase Program", and select the schedule. The default setting will be to synchronize once every hour.
You can manually synchronize licenses or users, by clicking either "Licenses" or "Users" inside a VPP Account and selecting "Synchronize.