ASP NET 4 5 has not been registered on the Web server

Question

In my Win 7 development machine  and in order to use SQL Express instance instead of the localDB installed by default  I unchecked  Use IIS Express  in my MVC 4 project properties page  Web tab   then I got the following error   ASP NET 4 5 has not been registered on the Web server  You need to manually configure your Web server for ASP NET 4 5 in order for your site to run correctly   I verified that ASP NET is activated within the IIS features   Please what could be done to resolve this

User · Answer

Something you need to add via the Programs & Features. Check out the link below that solved my issue. Just follow the steps below and you should get it.

Quoted from the link:

Once in the Programs and Features window, hit the "Turn Windows Features on or off" in the left pane.

Now scroll down through the tree and find:

Internet Information Services > World Wide Web Services > Application Development Features ...and then check all the relevant features you require. I chose .NET 3.5 and 4.6.

http://modelrail.otenko.com/electronics/asp-net-4-5-has-not-been-registered-on-the-web-server

User · Answer

On Windows 8 1  since  NET 4 5 is built-in  the fix is to run this from an administrative command-prompt   dism exe  Online  Enable-Feature  all  FeatureName IIS-ASPNET45

User · Answer

tl dr  Clicking OK is the workaround  everything will work fine after that   I also received this error message      Configuring Web http   localhost xxxxx  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    Environment  Windows 10  IIS8  VS 2012 Web   After finding this page  along with several seemingly invasive solutions  I read through the hotfix option at https   support microsoft com en-us help 3002339 unexpected-dialog-box-appears-when-you-open-projects-in-visual-studio as suggested here   Please avoid doing anything too drastic  and note the section of that page marked  Workaround  as shown below      Workaround            To work around this issue  click OK when the dialog box appears after you either create a new project or open an existing Web Site Project or Windows Azure project  After you do this  the project works as expected    In other words  click OK on the dialog box one time  and the message is gone forever  The project will work just fine

User · Answer

I have the same problem   And got the solution turning on the ASP Net from Turn Windows feature on or off menu

User · Answer

For windows 10 with below error  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  Solution  https   blogs msdn microsoft com webdev 2014 11 11 dialog-box-may-be-displayed-to-users-when-opening-projects-in-microsoft-visual-studio-after-installation-of-microsoft-net-framework-4-6

User · Answer

I have the same issue when using Visual Studio 2012  By turn on the IIS feature just not working  because I still received the error  Try the method but no lucky    My solution is    Download the hotfix  At the command line  Restart IIS by  typing iisreset  noforce YourComputerName  and press ENTER

User · Answer

The  net framework overwrites 4 0 folder so run this command   Register  net framework to IIS goto Start -  run-  cmd -  run as administrator type   cd C  Windows Microsoft NET Framework v4 0 30319 aspnet regiis exe -i

User · Answer

Some IIS features to be enabled  Reference   DISM  Online  FeatureName IIS-ApplicationDevelopment   FeatureName IIS-ASPNET  FeatureName IIS-ASP   FeatureName IIS-NetFxExtensibility   FeatureName IIS-ISAPIExtensions  FeatureName IIS-ISAPIFilter   Then fix IIS mappings for ASP NET  run the Aspnet regiis exe utility  Reference

User · Answer

Resolved it with VS update   Follow this link  https   blogs msdn microsoft com webdev 2014 11 11 dialog-box-may-be-displayed-to-users-when-opening-projects-in-microsoft-visual-studio-after-installation-of-microsoft-net-framework-4-6    Resolution  Microsoft has published a fix for all impacted versions of Microsoft Visual Studio   Visual Studio 2013      Download Visual Studio 2013 Update 4 For more information on the Visual Studio 2013 Update 4  please refer to  Visual Studio 2013 Update 4 KB Article 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

User · Answer

I had the same problem  After a long search   I change the application pool to ASP NET v4 x in the IIS manager

User · Answer

For Windows 8 client computers  turn on  IIS-ASPNET45  in  Turn Windows Features On Off  under  Internet Information Services-  World Wide Web Services -  Application Development Features -  ASP NET 4 5

User · Answer

run visual studio in admin rights and execute following  commandaspnet regiis -i

User · Answer

Maybe you have to execute the following in the Visual Studio Tools command prompt   aspnet regiis -i   You can read more about the ASP NET IIS Registration Tool  Aspnet regiis exe  here

User · Answer

Try this Once go to the Programs and Features window-   hit the  Turn Windows Features on or off  in the left pane   Now scroll down through the tree and find   Internet Information Services World Wide Web Services Application Development Features    and then check all the relevant features you require  I chose  NET 3 5 and 4 6   and if does not work then go to Let it do its work and then you should be back to happy-development-land in VS before you know it  If not  then it could actually be a bug in Visual Studio  Please check the following patches for your version of VS  VS2010  VS2012 or VS2013  This will surely help you out

User · Answer

Not required to type c    Start -  run-  cmd -  Run as administrator and execute below command     NET Framework version 4  32-bit systems     windir  Microsoft NET Framework v4 0 30319 aspnet regiis exe -i   NET Framework version 4  64-bit systems    windir  Microsoft NET Framework64 v4 0 30319 aspnet regiis exe -i  Alternatively use Command Prompt from Visual Studio tools  C  ProgramData Microsoft Windows Start Menu Programs Microsoft Visual Studio 2012 Visual Studio Tools VS2012 x86 Native Tools Command Prompt  Version could vary   Hope this helps

User · Answer

If you ve installed  NET framework 4 6  you may see this error due to a VS bug  Workarounds and resolutions here   http   blogs msdn com b webdev archive 2014 11 11 dialog-box-may-be-displayed-to-users-when-opening-projects-in-microsoft-visual-studio-after-installation-of-microsoft-net-framework-4-6 aspx  EDIT   As noted in some of the comments  this can happen behind the scenes after upgrading to Windows 10 or Visual Studio 2015

User · Answer

this link explains what cause the problem and the quick solve to the problem  it just by updating visual studio and it provide the link for the update  http   blogs msdn com b webdev archive 2014 11 11 dialog-box-may-be-displayed-to-users-when-opening-projects-in-microsoft-visual-studio-after-installation-of-microsoft-net-framework-4-6 aspx

User · Answer

I was also having that problem  I tried the above solutions but didn t work for me   The i installed the visual studio update and my issue was fixed   Download the visual studio update from the link below http   blogs msdn com b webdev archive 2014 11 11 dialog-box-may-be-displayed-to-users-when-opening-projects-in-microsoft-visual-studio-after-installation-of-microsoft-net-framework-4-6 aspx  Thanks

User · Answer

I had the exact same problem  despite ASP NET 4 5 appearing as installed under  Turn Windows Features On Off   I tried everything until I finally removed ASP NET 3 5 and 4 5 completely from under  Turn Windows Features On Off   rebooted my PC and reinstalled them Again  That solved the problem

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