[Fixed] ASP.NET 4.5 has not been registered on the Web server.

Updated on     Kisan Patel

Problem:

After the installation of the Microsoft .NET Framework 4.6, users may experience the following dialog box displayed in Microsoft Visual Studio when either creating new Web Site or Windows Azure project or when opening existing projects.

Configuring Web http://localhost:64886/ for ASP.NET 4.5 failed. You must manually configure this site for ASP.NET 4.5 in order for the site to run correctly. ASP.NET 4.0 has not been registered on the Web server. You need to manually configure your Web server for ASP.NET 4.0 in order for your site to run correctly.

web-sever-error

Solution:

Microsoft has published a fix for all impacted versions of Microsoft Visual Studio.

Visual Studio 2013 –

Visual Studio 2012

  • An update to address this issue for Microsoft Visual Studio 2012 has been published: KB3002339
  • To install this update directly from the Microsoft Download Center, here

Visual Studio 2010 SP1

  • An update to address this issue for Microsoft Visual Studio 2010 SP1 has been published: KB3002340
  • This update is available from Windows Update
    • To install this update directly from the Microsoft Download Center, here

Visual Studio

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