Parts of client uninstall logic could be skipped in attended uninstallation if user agreed to reboot the machine. Particulary, the uninstall script would not try to remove /etc/ipa/default.conf and therefore subsequent installation would fail, client being detected as already configured. https://fedorahosted.org/freeipa/ticket/3462 https://fedorahosted.org/freeipa/ticket/3463