I encountered this same message when I tried to add (1) an AT&T USB WLAN adapter, and then again (2) when I tried to add a PPTP-VPN profile.
Here's what I figured out though: 1. I use centrifydc to connect this system to Active Directory. 2. I am working from my office at work, and my domain controllers are on my home network, so it could not confirm that I was a member of the Domain Admins group. 3. /etc/group only had the bindings I had added for "root" and "%Domain\ Admins", so it didn't consider my cached AD-UID as a valid Admin user. 4. /etc/sudoers had a binding for "%Domain\ Admins", but since that group is currently unreachable due to being on a remote network that I would need to VPN to in order to auth against, the sudoers mechanism could not confirm that I had the rights to be performing root level functions. Taking all of this into consideration, I managed somehow to sudo up and edit both files to add my ID explicitly. Then, when I retried to add my VPN profile, it worked! This time, rather than prompting me for root's password, I simply received a prompt to set my key-ring password instead, which I did, and was then able to VPN to my home network over the WLAN adapter. Now, I may be on the wrong track here, and I made the explicit entry in /etc/sudoers identicle for my userID as what was already given for "root", but this worked for me to get this problem solved so that I could get on to other things. I hope this helps someone else, or at least makes it a bit more clear for the developers as to what is going on. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/964705 Title: System policy prevents modification of network settings for all users To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/964705/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
