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Users can create clones of their VM disks as instance templates. In private cloud, instances are stored with the master templates in the Catalogue.
Screenshot: A template and clones of VM disks created from the template (instance templates)
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Screenshot: In public cloud the Catalogue imports the details of templates from the provider and links to the provider's disk files.
In both private and public cloud, Admins can also create application blueprints called virtual appliance specs by saving the configuration of a group of VMs to the Catalogue. The user can then automatically create a new virtual appliance directly from the blueprint.