Article ID: 118962, created on Dec 2, 2013, last review on May 11, 2014

  • Applies to:
  • Plesk for Windows


Changing ASP.NET setting for domain is showing the following error in Plesk Panel:

ASPdotNet() constructor failed: Unable to getDomainConfiguration: aspnetcfg failed: Can't detect .NET version. Possible site does not use ASP.NET
---------------------- Debug Info -------------------------------
0: ASPDotNETUIPointer.php:69
    ASPDotNETUIPointer->accessItem(string 'GET', NULL null)
1: UIPointer.php:600
    UIPointer->access(string 'GET')
2: plesk.php:50


Missing ASP.NET handler for the domain in IIS configuration.


  1. Open IIS Manager (Start > Run > inetmgr).

  2. Select problem domain and open "Handler Mappings".

  3. Press "Revert to parent".

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