The object type is not known.
This indicates an application error.
The interpretation of this value depends on whether it is used as an input to a VSS method or returned as an output from a VSS method.
When used as an input to a VSS method, it indicates that the method is not restricted to any particular object type, but should act on all appropriate objects. In this sense,can be thought of as a wildcard input.
When returned as an output, the object type is not known and means that there has been an application error.
|2||Shadow copy set.|
|4||Shadow copy provider.|