That's a well known issue between kwallet and kdeinit. It is fixed in feisty, since kwallet now writes all entries immediatly instead of on logout.
** Changed in: knetworkmanager (Ubuntu) Status: Unconfirmed => Fix Released -- knetworkmanager does not save password for WPA enterprise https://launchpad.net/bugs/90138 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs