iisapp find app pool w3svc

Determine the site’s application pool:

C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319>C:\Inetpub\AdminScripts\adsutil.vbs  get w3svc/1975602314/root/apppoolid
apppoolid                       : (STRING) "some_app_pool_name"

Restart the site’s application pool:

C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319>cscript %SystemRoot%\System32\IIsApp.vbs /a some_app_pool_name /r
Microsoft (R) Windows Script Host Version 5.6
Copyright (C) Microsoft Corporation 1996-2001. All rights reserved.

Connecting to server ...Done.
Application pool 'some_app_pool_name' recycled successfully.