topic Re: Hallo,Geonet Community?I have encountered a problem while trying to generate slope form DEM.1.Using the Arc hydro tool I am getting the error&quot;Error HRESULT E_FAIL has been returned from a call to a COM component. &quot;Kindly help.Thanks in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/problem-while-trying-to-generate-slope-form-dem/m-p/591901#M8595 <HTML><HEAD></HEAD><BODY><P>You will have to show the parameters that were use.&nbsp; It could be a source file or destination file path issue</P></BODY></HTML> Sat, 01 Dec 2018 12:27:32 GMT DanPatterson_Retired 2018-12-01T12:27:32Z Problem while trying to generate slope form DEM https://community.esri.com/t5/arcgis-spatial-analyst-questions/problem-while-trying-to-generate-slope-form-dem/m-p/591900#M8594 <HTML><HEAD></HEAD><BODY><P>Hello GeoNet Community</P><P></P><P>I have encountered a problem while trying to generate slope form DEM.1.Using the Arc hydro tool I am getting the error"Error HRESULT E_FAIL has been returned from a call to a COM component. "Kindly help.Thanks</P><P></P><P>Have also used spatial analyst tool and getting the error message" ERROR 999999: Error executing function.<BR />Failed to create raster dataset<BR />Failed to execute (Slope)."</P></BODY></HTML> Sat, 01 Dec 2018 08:51:07 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/problem-while-trying-to-generate-slope-form-dem/m-p/591900#M8594 BibianRobert 2018-12-01T08:51:07Z Re: Hallo,Geonet Community?I have encountered a problem while trying to generate slope form DEM.1.Using the Arc hydro tool I am getting the error"Error HRESULT E_FAIL has been returned from a call to a COM component. "Kindly help.Thanks https://community.esri.com/t5/arcgis-spatial-analyst-questions/problem-while-trying-to-generate-slope-form-dem/m-p/591901#M8595 <HTML><HEAD></HEAD><BODY><P>You will have to show the parameters that were use.&nbsp; It could be a source file or destination file path issue</P></BODY></HTML> Sat, 01 Dec 2018 12:27:32 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/problem-while-trying-to-generate-slope-form-dem/m-p/591901#M8595 DanPatterson_Retired 2018-12-01T12:27:32Z Re: Hallo,Geonet Community?I have encountered a problem while trying to generate slope form DEM.1.Using the Arc hydro tool I am getting the error"Error HRESULT E_FAIL has been returned from a call to a COM component. "Kindly help.Thanks https://community.esri.com/t5/arcgis-spatial-analyst-questions/problem-while-trying-to-generate-slope-form-dem/m-p/591902#M8596 <HTML><HEAD></HEAD><BODY><P>I have changed my working folder to drive C and the spatial analyst tool is working.However, with Arc hydro the error is still the same.</P></BODY></HTML> Sun, 02 Dec 2018 09:58:22 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/problem-while-trying-to-generate-slope-form-dem/m-p/591902#M8596 BibianRobert 2018-12-02T09:58:22Z