“The page you are requesting cannot be served because of the extension configuration.” error message

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In Windows 8/10, you have to use

  • Open Control Panel →
  • Programs and Features →
  • Turn Windows features on or off →
  • Internet Information Services (IIS) →
  • World Wide Web Services →
  • Application Development Features →
  • Check the appropriate items, such as enabling ASP.NET. (i.e install the appropriate version you want to configure your websites with)

Reference: Check the solution of this question for reference

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