FYI, same thing is happening with the latest Zesty server ISO (see attached).
** Attachment added: "Screenshot from 2016-10-31 14-32-09.png" https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1637985/+attachment/4770253/+files/Screenshot%20from%202016-10-31%2014-32-09.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1637985 Title: Install Fail - Attempt to configure apt to install additional packages from CD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-cdimage/+bug/1637985/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs