I observe the same situation after upgrading from 11.10 to 12.04. NetworkManager is not in the list of processes after boot and executing "sudo NetworkManager" fixes the defect.
** Changed in: network-manager (Ubuntu) Status: Expired => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/663735 Title: NetworkManager is not running To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/663735/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs