https://community.esri.com/t5/water-resources-questions/archydro-hresult-problems/m-p/1021084#M3995 <P>Can you try to run the tool from the Arc Hydro Tools Python geoprocessing toolbox instead?</P><P>Christine Dartiguenave</P><P>Esri Water Resources Team</P> Thu, 28 Jan 2021 16:41:45 GMT ChristineDartiguenave 2021-01-28T16:41:45Z https://community.esri.com/t5/water-resources-questions/archydro-hresult-problems/m-p/1019984#M3992 <P>Hi everyone, I'm trying to use ArcHydro 10.7 with ARCGIS 10.7.&nbsp;<SPAN>I have tried to run DEM RECONDITIONING, and I get this, It happens with any tool:</SPAN></P><P><SPAN>System.Runtime.InteropServices.COMException (0x80004005): Error HRESULT E_FAIL has been returned from a call to a COM component.</SPAN></P><P><SPAN>I have tried all the solutions posted here, but I couldn't run the tool.&nbsp;</SPAN></P><P><SPAN>The process starts, but I have noticed in Results that after the "Eculidean Allocations", the process "IsNull" can't be completed, as can be seen in the file attached. Please, heeeeelp.</SPAN></P> Tue, 26 Jan 2021 11:44:32 GMT https://community.esri.com/t5/water-resources-questions/archydro-hresult-problems/m-p/1019984#M3992 LorenaLombana 2021-01-26T11:44:32Z https://community.esri.com/t5/water-resources-questions/archydro-hresult-problems/m-p/1021084#M3995 <P>Can you try to run the tool from the Arc Hydro Tools Python geoprocessing toolbox instead?</P><P>Christine Dartiguenave</P><P>Esri Water Resources Team</P> Thu, 28 Jan 2021 16:41:45 GMT https://community.esri.com/t5/water-resources-questions/archydro-hresult-problems/m-p/1021084#M3995 ChristineDartiguenave 2021-01-28T16:41:45Z