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


Windows Server 2003TM, Service Pack 1 enables IIS 6.0 to run 32-bit Web applications on 64-bit Windows using the Windows-32-on-Windows-64 (WOW64) compatibility layer. IIS 6.0 using WOW64 is intended to run 32-bit personal productivity applications needed by software developers and administrators, including 32-bit Internet Information Services (IIS) Web applications. For more information about running 32-bit applications on 64-bit Windows, see Running 32-bit Applications on 64-bit Windows.

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


Open a command prompt and navigate to the %systemdrive%\Inetpub\AdminScripts directory.


Type the following command:

cscript.exe adsutil.vbs set W3SVC/AppPools/Enable32BitAppOnWin64 “true”


Press ENTER.

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