Cleanup Orphaned SharePoint Application Pools

In order to cleanup orphaned SharePoint application pools follow the steps below

1) Open the SharePoint 2010 Management Shell on the server you wish to cleanup

2) Run Get-SPServiceApplicationPool

3) Note the Name of the application pool you wish to remove

4) Run Remove-SPServiceApplicationPool passing in the name of the application pool to be removed, e.g.

Remove-SPServiceApplicationPool “User Profile Sync”