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I am building web site on windows 2008 / iis7 that requires 32bit mode for reporting functionality. Everything working fine with app pool allow 32bit applications set to false, but when I set app pool to allow 32bit application set to true I get 404 error because the path being called is getting changed. Below is clip from the IIS log:

uat set to false - Works fine 304 means that the request is cached 2012-07-09 18:29:56 xxx.xx.xxx.xx GET /Metron/images/flags/ae.png - 80 - xxx.xx.xxx.xxx Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+6.1;+WOW64;+Trident/4.0;+SLCC2;+.NET+CLR+2.0.50727;+.NET+CLR+3.5.30729;+.NET+CLR+3.0.30729;+.NET4.0C;+.NET4.0E;+InfoPath.2;+MS-RTC+LM+8) 304 0 0 109

uatext set to true - /Metron is removed from the path and browser throws a 404 error. A 404 error means the request item has moved or cannot be found. 2012-07-09 18:24:33 xxx.xx.xxx.xx GET /images/flags/ae.png - 80 - xxx.xx.xxx.xxx Mozilla/4.0+(compatible;+MSIE+8.0;+Windows+NT+6.1;+WOW64;+Trident/4.0;+SLCC2;+.NET+CLR+2.0.50727;+.NET+CLR+3.5.30729;+.NET+CLR+3.0.30729;+.NET4.0C;+.NET4.0E;+InfoPath.2;+MS-RTC+LM+8) 404 0 2 93.

user1524735
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  • Forgot to detail that you can see in the log file /Metron is being removed when set to enable 32bit applications is set to true, hence the 404 error. – user1524735 Jul 13 '12 at 22:38

1 Answers1

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It seems that even though the .NET framework you are trying to use is available, it is probably not properly bound to the IIS installation. Navigate to c:\Windows\Microsoft.NET\Framework\ then to the directory corresponding to the version of .NET you are trying to use. The install the framework by: aspnet_regiis.exe -i. See also: http://msdn.microsoft.com/en-us/library/k6h9cz8h(v=vs.80).aspx. See also this StackOverflow question: How do I fix 404.17 error on Win Server 2k8 and IIS7

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Kelly Orr
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