64 Bit Servers, ISAPI and Managed Modules on IIS

Posted by: Rick Strahls WebLog, on 06 Jul 2007 | View original

So i took a support call from a customer of mine today who ran into problems installing West Wind Web Connection on a 64 bit machine. West Wind Web Connection works through a 32 bit ISAPI extension and sure enough a standard configuration will not allow this ISAPI extension to run. Any attempt to access a 32 bit extension in a 64 bit environment results in a 500 server error and this message %1 is not a valid Win32 application Conveniently IE6 (on the server) will hide this message...

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