This is not a bug, evidently this is supposed to be the way it works
(see https://bugs.launchpad.net/ubuntu/+source/gnome-system-
tools/+bug/315002/comments/25)
** Changed in: dbus (Ubuntu)
Status: New => Invalid
** Changed in: gnome-system-tools (Ubuntu)
Status: Triaged => Invalid
We need to find out how D-Bus checks for authorization in order to
understand why reboot is needed for it to consider an user as member of
the "admin" group.
** Also affects: dbus (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-system-tools (Ubuntu)
Status: Confir
Sorry, it was not clear to me whether your report was a duplicate or
not, partly because I didn't have much information about the other
report. So yours is about the fact that new administrator users cannot
authenticate until the computer is rebooted. That may well come from the
same problem as bug
** This bug is no longer a duplicate of bug 315002
Changing your password does not take effect before session is restarted
--
"Administer the system" for new user requires reboot
https://bugs.launchpad.net/bugs/418337
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Deskto
*** This bug is a duplicate of bug 315002 ***
https://bugs.launchpad.net/bugs/315002
Thanks for your report. As far as I can tell, this is the same problem
as bug 315002. This is not the users config tool's fault, but that of
PolicyKit, the underlying component that checks for authorizations.
