Article ID: 122981, created on Sep 21, 2014, last review on Dec 27, 2014

  • Applies to:
  • Plesk for Windows


ASP Classic pages not working properly. The following error message displayed when you open site from the server itself.

    HTTP Error 404.3 - Not Found
    The page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handler


    HTTP Error 404.17 - Not Found
    The requested content appears to be script and will not be served by the static file handler.


1) Handler mapping was not configured.

2) 32-bit mode is disabled in Application pool for domain.


  1. You may configure ASP script mapping either on server level or on domain level

IIS > SERVER_NAME > Handler Mappings > Add Script Map and enter in the following information:

RequestPath: *.asp
Executable: %windir%\System32\inetsrv\asp.dll
Name: ASPClassic
Request Restrictions: File
Access: Script
  1. Make sure that Application pool works in 32-bit mode:

IIS > Application Pools > DOMAIN_APP_POOL_NAME > Advanced Settings. set Enable 32-bit applications to True

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