Configuring IIS to Run 32-bit ASP.NET Applications on 64-bit Windows (IIS 6.0)

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•Configuring IIS to Run 32-bit Applications on 64-bit Windows

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.

To enable IIS 6.0 to run 32-bit ASP.NET applications on 64-bit Windows

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.