Microsoft SQL Server Virtual Backup Device Specification
IServerVirtualDeviceSet2::Open
| Purpose | This function opens the virtual device set on the server, and it must be the first call made using the COM-provided interface handle. | |
| Syntax | HRESULT IServerVirtualDeviceSet2::Open (
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| Parameters | Argument | Explanation |
|---|---|---|
| lpInstanceName | This string identifies the SQL Server instance to which the SQL command will be sent. NULL may be passed to identify the default instance on the current machine. | |
| lpName | This is provided from the first VIRTUAL_DEVICE= clause of the BACKUP or RESTORE command. This name is used as the key to obtain access to the virtual device set created by the client. | |
| Return Values | Argument | Explanation |
| NOERROR | The function succeeded. | |
| VD_E_INVALID | The name provided did not identify a virtual device set that is accessible to the server. | |
| Remarks | After this function is successfully invoked, the server may proceed to configure the virtual device set by using GetConfiguration and SetConfiguration. | |