Server execution failed (Exception from HRESULT: 0x80080005 (CO_E_SERVER_EXEC_FAILURE))

Question

I am trying to convert a .xls file to an .xlsx file on the server-side using Microsoft.Office.Interop.Excel.Workbook class as follows:

 workBook         


        

Answer 1

I fixed this issue with this solution: right click on Component Services/Computers/DCOM Config/Microsoft Word97 - 2003 Document properties/General Tab

set Authentication Level:None