3.2.3 Initialization
A client initializes by creating an RPC binding handle to the interfaces that relate to the features with which it is to work. In the case of the Shadow Copy Management Protocol, only one interface is required. This interface is the primary Shadow Copy Management Protocol interface; all other Shadow Copy Management Protocol interfaces can be discovered through its use. A description of how to get a client-side RPC binding handle for the following interface is as specified in [MS-DCOM] section 3.2.4.
IVssSnapshotMgmt: Create an RPC binding handle to IVssSnapshotMgmt to query for shadow copies and shadow copy–capable volumes; and to retrieve a client-side RPC binding handle to IVssDifferentialSoftwareSnapshotMgmt.