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

Using DCOMCNFG.exe. Open it and go to: Component Services -> Computers -> My Computer -> DCOM Config -> Microsoft Excel Application.

Open the properties, select Identity tab and select the interactive user.