Fail to access iis metabase

You need to install the .net framework on you system Open visual studio command prompt and type this command aspnet_regiis -ga <UserName> example aspnet_regiis -ga \aspnet if this doesn'twork than use this command aspnet_regiis -i   alternatively you can copy and paste this command into windows command prompt %windir%\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -i   this will fix your problem