The Powershell command ‘Get-SPServiceApplication’ will only list IIS Applications related to SharePoint Service Applications across your Farm:
However, there may be a time when you want list the Web Application IIS Pools, and more importantly, delete one (once you’ve transferred any associated services).
There is no way to do this with Central Administration, so apply the following in Powershell:
- $contentapppools = [Microsoft.SharePoint.Administration.SPWebService]::ContentService.ApplicationPools
Now, find the GUID of the Application Pool and ‘remove’