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Shadow Copy Provider Registration and Loading

Provider Registration

Only VSS calls providers. The provider registers for calls by invoking IVssAdmin::RegisterProvider, passing VSS_PROV_HARDWARE for the eProviderType parameter. Once registered, the provider will be involved in shadow copy management until unregistering using IVssAdmin::UnregisterProvider.

Provider Loading and Unloading

Providers can be frequently loaded and unloaded. Providers can implement IVssProviderNotifications to determine when VSS is loading or unloading the provider.