SharePoint Power Shell : Remove/Delete users from User Information List
Script: $url = "http://sitecollection" $web = get-spweb $url $list = $web.Lists["User Information List"] $listItems = $list.Items $listItemsTotal = $listItems.Count for ($x=$listItemsTotal-1;$x -ge 0; $x–-) { Write-Host(“DELETED: ” + $listItems[$x].name) remove-spuser $listItems[$x]["Account"] -web $url -confirm:$false } $web.dispose() Url: http://[localhost]/_catalogs/users/simple.aspx)