Things to check when an Asp.Net site is not working correctly

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TODO

Framework

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• Check that your .Net framework are correctly installed
• Check that your .Net framework are correctly linked with IIS
  • In case of XP : use regiis to relink your framework with IIS
  • In case of IIS6 or newer : don’t forget to enable your filter.

Application pool

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• Check that the correct version of framework is selected (1.1, 2.0 or 4.0)
• Try with the classic pipeline instead of integrated (with IIS7 and newer)
• If the error comes from Oracle, see How to start an Asp.Net application with Windows Seven x64 and Oracle 10g 32bits

Website

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Permissions

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• Change the permissions RECURSIVELY on your virtual directory to add IUSR_ with full rights