Bug is still present in Ubuntu 10.10 Maverick when trying to Upgrade to 11.04 Natty.
Proxy: without Authentication Proxy Settings: Only present in System settings - not using environment variables Didn't try suggested fix in #5 since I discovered the bug after successfully upgrading w/o proxy. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/479391 Title: version upgrade via update-manager or do-release-upgrade does not work with proxy authentication -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs