[rt-users] Users cannot change passwords

[Erik Boles]

I have added numerous people to a custom group called "helpdesk", have
allowed the users to ModifyOwnMembership as well as allowed the group to
ModifyOwnMembership.

I even went as far as setting ModifyOwnMembership for "Everyone",
"Privileged" and "Unprivileged".

However, every user so far, when attempting to change their own password, is
given a "permission denied" error.

Anyone else seen this?  Is this a bug or is there something I have
configured wrong?

Thanks,

--Erik