I have a list with 3000 users permission and I need to delete them, but when I select the root checkbox
and tried to delete the all, I got the following error message:
You have chosen to delete too many site groups at once. Select fewer site groups and try again.
I used PowerShell to delete them 😉
Below is the script…
foreach($acc in $web.RoleAssignments)
$account = $web.EnsureUser($acc.Member.LoginName)