how to know IIS installed or not Programmatically

Question

In a Windows form Application how to know iis is installed in local machine using c# programmatically

Jaydles · Accepted Answer · 2018-03-16 12:45:41Z

7

If the IIS is installed the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\InetStp should exist and it should contain an entry VersionString.

Source: here

private static bool IsIisInstalled() => Registry.GetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\InetStp", "VersionString", null) != null;

edited Mar 16, 2018 at 12:45

Jaydles

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answered Jun 15, 2016 at 22:34

a-ctor

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Comments

bgh · Accepted Answer · 2018-12-11 12:11:00Z

6

With regards to checking the registry key, I have found that if you have IIS installed and you uninstall it, it leaves the key in the registry. Hence that is not a reliable way to test for the presence of IIS.

I opted for checking if the IIS Windows service exists using the following code:

IsIisInstalled = ServiceController.GetServices().Any(s => s.ServiceName.Equals("w3svc", StringComparison.InvariantCultureIgnoreCase));

answered Dec 11, 2018 at 12:11

bgh

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