topic Error HRESULT E_FAIL has been returned from a call to a COM component. when running console application in Developers Questions https://community.esri.com/t5/developers-questions/error-hresult-e-fail-has-been-returned-from-a-call/m-p/382215#M2458 <HTML><HEAD></HEAD><BODY><P>Hello everyone,</P><P></P><P>I am getting this error message after copying my ArcGIS 10.4 VS 2015 console application to the server development.</P><P></P><P>Error HRESULT E_FAIL has been returned from a call to a COM component.</P><P></P><P>Help!!!</P></BODY></HTML> Tue, 20 Feb 2018 21:04:30 GMT JoseSanchez 2018-02-20T21:04:30Z Error HRESULT E_FAIL has been returned from a call to a COM component. when running console application https://community.esri.com/t5/developers-questions/error-hresult-e-fail-has-been-returned-from-a-call/m-p/382215#M2458 <HTML><HEAD></HEAD><BODY><P>Hello everyone,</P><P></P><P>I am getting this error message after copying my ArcGIS 10.4 VS 2015 console application to the server development.</P><P></P><P>Error HRESULT E_FAIL has been returned from a call to a COM component.</P><P></P><P>Help!!!</P></BODY></HTML> Tue, 20 Feb 2018 21:04:30 GMT https://community.esri.com/t5/developers-questions/error-hresult-e-fail-has-been-returned-from-a-call/m-p/382215#M2458 JoseSanchez 2018-02-20T21:04:30Z Re: Error HRESULT E_FAIL has been returned from a call to a COM component. when running console application https://community.esri.com/t5/developers-questions/error-hresult-e-fail-has-been-returned-from-a-call/m-p/382216#M2459 <HTML><HEAD></HEAD><BODY><P>Found the problem.</P><P></P><P>The SDE connection string was using a different account in the development server and in my desktop.</P><P></P><P>Very generic error, not easy to find. I had to all Console.Writeline&nbsp; in several places in the source code to find the issue.</P></BODY></HTML> Wed, 21 Feb 2018 17:44:04 GMT https://community.esri.com/t5/developers-questions/error-hresult-e-fail-has-been-returned-from-a-call/m-p/382216#M2459 JoseSanchez 2018-02-21T17:44:04Z