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COM Interface Error Propagation from C++ to LV

I have found that only error codes that are <0 (msb bit
set) will propagate up to a LV error cluster from my automation interface.
Is it possible, in accordance with the COM spec, to be able to pass error
codes with a positive value up to LV?
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Sachsm,

LabVIEW is able to receive positive COM errors from applications I've used. I just returned a positive 1 from a DirectX ValidMesh call and a 5500 from a failed LabVIEW server call.
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