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HRESULT E_FAIL during Catchment Polygon Processing

Question asked by rstolberg on Nov 1, 2017
Latest reply on Nov 3, 2017 by jessy72

Hello,  I am new to Arc Hydro and am trying to generate watersheds.  I have read many help documents and lots of StartUp Check List information (such as those by Mark Boucher).  My problem is this, I have been able to generate rasters just fine through the following processes:  DEM Reconditioning, Fill Sinks, Flow Direction, Flow Accumulation, Stream Definition, Stream Segmentation and Catchment Grid Delineation.  The problem occurs when I try to convert rasters to vectors such as in Catchment Polygon Processing and Drainage Line Processing.  For each of these steps I receive the ever popular "Error HRESULT E_FAIL has been returned from a call to a COM component".  I have tried different machines and also a different data set included with a online tutorial....still same problem at the same place.  I feel like I must be missing something obvious.....I'm stuck and would appreciate any help or direction.  Sincere thanks.