Restarting an IIS6 app pools using .NET
This week I was writing an admin tool that needed to recycle some IIS6 application pools. I found two ways to do it, one using Window Management Instrumentation (WMI) and the other using the DirectoryEntry class (part of the active directory classes).
Here’s a little code sample for the WMI way:
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ManagementScope scope = new ManagementScope(@”\\localhost\root\MicrosoftIISv2");
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WqlObjectQuery query =
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new WqlObjectQuery(@”SELECT * FROM IIsApplicationPool WHERE Name LIKE '% .NET2'");
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ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query);
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foreach (ManagementObject appPool in searcher.Get())
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{
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appPool.InvokeMethod("Recycle", null);
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}
Here’s a code sample for the DirectoryEntry way:
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DirectoryEntry appPools =
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new DirectoryEntry("IIS://localHost/w3svc/AppPools", "", "");
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foreach (DirectoryEntry child in appPools.Children)
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{
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if (child.Name.EndsWith(".NET2"))
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{
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child.Invoke("Recycle", null);
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}
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}
There are some more great examples of how to do these types of things on stack overflow.
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