If you intend to run 32-bit ASP.NET applications on 64-bit Windows, you must configure IIS to create 32-bit worker processes. For more information about running 32-bit applications on 64-bit Windows, see Running 32-bit Applications on 64-bit Windows.
IIS cannot run 32-bit and 64-bit applications concurrently on the same server.
1. | Open a command prompt and navigate to the %systemdrive%\Inetpub\AdminScripts directory. |
2. | Type the following command: cscript.exe adsutil.vbs set W3SVC/AppPools/Enable32BitAppOnWin64 “true” |
3. | Press ENTER. |
4. | Download and install the Microsoft .NET Framework Version 1.1 Redistributable Package. |