ASP.NET 2.0 not registered in IIS

If you, like me, do installs of virtual machines from time to time, you will most propably see the following error during the installation of SharePoint (both WSS and MOSS).

Setup is unable to proceed due to the following error(s):
This product requires ASP.NET v2.0 to be set in ‘Allow’ in the list of Internet Information Services ( IIS) Web Server Extensions. If it is not available in the list, re-install ASP.NET v2.0.
Correct the issue(s) listed above and re-run setup.

ASP.NET 2.0 not registered in IIS

Cause:

Basically it just means that you installed the .NET framework before IIS and it could therefore not register itself in IIS. So we need to do that ourselves, and luckily it’s easy.

Fix:

Open a command promt and go to “C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727″ or whatever folder in the Framework folder that corresponds to your exact version of .NET 2.0.

Type “aspnet_regiis.exe /i” without the quotes and you will reregister .NET 2.0 in IIS, and you can now run the installation process of WSS or MOSS again.

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