No, this is not normal; you should have three ASP.NET externsions there: 1.1, 2.0 and 4.0.

Which aspet_regiis did you try? The 2.0 one or the 4.0 one?

Is this a x86 or x64 server?

For x86, run C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_regiis.exe -ir.

For x64, run C:\Windows\Microsoft.NET\Framework64\v2.0.50727\aspnet_regiis.exe -ir.

Should ASP.NET v2 IIS server extension be missing after .NET 4 is installed?
What's the difference between emigrate and immigrate? They seem to have the same definitions in the dictionary but they are antonyms...

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