| VT_VARIANT GetInstalledOstPluginNames | Returns an array of installed OST plugin names. |
| VT_BSTR GetOstServerInfo(VT_BSTR serverName, VT_BSTR pluginName) | Returns OST server info structure. |
| VT_VARIANT GetOstServerLSUs(VT_BSTR serverName, VT_BSTR pluginName, VT_BSTR UserName, VT_BSTR Password, VT_BOOL isEncryptedPassword) | Returns an array of OST server LSUs. |
| VT_VARIANT GetFilesAndFolders(VT_BSTR imgLoc, VT_BSTR filter, VT_BOOL filesOnly) | Returns an array of files info structure. |
| VT_HRESULT UpdateImageLocation(VT_BSTR NewImgLoc) | Update all instances of an image location. |
| VT_HRESULT MoveBackupLocation(VT_BSTR OrigImgLoc, VT_BSTR NewImgLoc) | Replace all instances of a backup location, moving files as needed. |
| VT_BSTR GetSystemInformation | Returns System information like OS version and service pack version. |
| VT_UINT GetDriveTypeFromPath(VT_BSTR path) | Returns windows drive type. |