Published Friday, April 27, 2007 4:05 AM by martin

Running 32-bit ISAPI Extensions on 64-bit IIS7

I use the 64-bit version of Windows Vista, which of course includes IIS7.  Today I came to install an old ISAPI extension and found it wasn't working.  Of course, my 64-bit IIS worker process might not want to load a 32-bit extension, but it took me a while to realize that :-)

Fortunately, you can configure an IIS7 application pool to work with 32-bit applications.  Just go to the application pool's advanced settings dialog...

(click the picture to enlarge).

 

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