Configuring IIS to Run 32-bit Applications on 64-bit Windows
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1
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.
See Also
Concepts
Configuring IIS to Run 32-bit FrontPage Server Extensions on 64-bit Windows
Configuring IIS to Run 32-bit ASP.NET Applications on 64-bit Windows