How to detect IIS version using C#?

Question

How to detect IIS version using C#?

Update: I meant from a winapp (actually the scenario is developing a custom installer that wants to check the version of the inst

Answer 1

You can get this information from the SERVER_SOFTWARE variable. It will return the following:

Microsoft-IIS/5.0 (Windows 2000)
Microsoft-IIS/5.1 (Windows XP)
Microsoft-IIS/6.0 (Windows 2003 Server)

etc.

If you're using ASP.NET, you can get this string via

Request.ServerVariables["SERVER_SOFTWARE"];

EDIT: It seems that you will have to query the registry to get this information. Take a look at this page to see how.