Identify app pool used by IIS site


I have a lot of web sites on my IIS server.  If I know the name of the application pool, what is the best way to quick identify which site is using it?

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Paul MacDonaldDirector, Information SystemsCommented:
Depending on which version of IIS you're using, right-clicking the AppPool and selecting "Applications" may tell you which web site(s) is/are using that AppPool

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Yes that's the fastest way. But it's 'View Applications' to be exact.


sorry I missread that you said you have a lot of sites.

  • create a new file calls listapppool.ps1 with the following content:


$sm = New-Object Microsoft.Web.Administration.ServerManager

foreach($site in $sm.Sites)
    $root = $site.Applications | where { $_.Path -eq "/" }
    Write-Output ("Site: " + $site.Name + " | Pool: " + $root.ApplicationPoolName)

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  • Open an administrative command line prompt and run powershell.

  • Run the script in powershell:


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it will display all sites and their corresponding Application Pools.

nav2567Author Commented:
Thanks, everyone.
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