Thank you for the bug report! Unfortunately, pro's error message is likely wrong here and the logs are not helpful.
We can try to debug further by manually adding the unauthenticated source to your system. Please create a file at /etc/apt/sources.list.d/ubuntu-esm-apps-test.sources with the contents: Types: deb URIs: https://esm.ubuntu.com/apps/ubuntu Suites: noble-apps-security Components: main Signed-By: /usr/share/keyrings/ubuntu-pro-esm-apps.gpg Then run `sudo apt update` and please report back here what the output is. ** Information type changed from Private to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2085883 Title: cannot enable esm infra and esm apps To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-advantage-tools/+bug/2085883/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs