Getting System.BadImageFormatException Error while Running the .Net Program in x64 Server


I have an old DotNet Program compiled in 32 Bit, which has a Form to load and execute SSIS package. For Executing SSI Package it uses the Assembly Microsoft.SqlServer.DTSRuntimeWrap which is present in 32 Bit as displayed below.

using Microsoft.SqlServer.Dts.Runtime.Wrapper;
namespace WinFmAppETLControl
  public class FrmControl : Form


        private void ProcessStep1()
         if (((IDTSApplication100)new ApplicationClass()).LoadPackage("C:\\Users\\abc\\MyData\\WinFmAppETLControl\\ETL\\SUN Daily ETL\\Batch and SysidRange.dtsx", true, (IDTSEvents100)null).Execute() == DTSExecResult.DTSER_SUCCESS){


Now i need to Migrate this program to 64 Bit new Server. I Create the exe file to run in the server. When i build the project in x64 and run on server, i am getting below error while executing the exe file.

Could not load file or assembly 'Microsoft.SqlServer.DTSRuntimeWrap, Version=, Culture=neutral, PublicKeyToken=89845dcd8080cc91' or one of its dependencies. An attempt was made to load a program with an incorrect format.

When i build the project in x86 and run on server, i am getting below error while executing the exe file.

System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {BA785E28-3D7B-47AE-A4F9-4784F61B598A} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

The SSIS running on server is x64 bit (D:\Program Files\Microsoft SQL Server\110\DTS\Binn\MsDtsSrvr.exe").

Please help if anyone knows. I checked many answers but couldn't find the solution. I am relatively new to .Net

asked on Stack Overflow Jun 13, 2019 by Ashutosh • edited Jun 13, 2019 by Hadi

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