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Título
Missing ASP.NET v4.0 and ASP.NET v4.0 Classic Application Pools -
Descripción
When looking in IIS at the Application Pools you are missing the ASP.NET v4.0 and ASP.NET v4.0 Classic Application Pools.
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Causa
This could be caused by installing ASP.NET v4.0 before installing IIS, when this is done ASP.NET v4.0 and ASP.NET v4.0 Classic Application Pools may not get registered properly in IIS.
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Resolución
In the command console (dos) navigate to C:\Windows\Microsoft.Net\Framework\v4.0.xxxxx where the x's are the build number you have installed, Then run the following commands:
aspnet_regiis -ir
iisresetNow open IIS and verify that ASP.NET v4.0 and ASP.NET v4.0 Classic Application Pools are now showing there.
If this is Windows Server 2012 in the command console (dos) navigate to C:\Windows\Microsoft.Net\Framework\v4.0.xxxxx where the x's are the build number you have installed, Then run the following command:
dism /online /enable-feature /featurename:IIS-ASPNET45
iisresetNow open IIS and verify that ASP.NET v4.0 and ASP.NET v4.0 Classic Application Pools are now showing there.