Sorry for the delay. I now tested again with Ubuntu 10.04. It still does not work but the error message has changed. It now says:
Generic error -- unable to suscribe to shared exchange calendar https://bugs.launchpad.net/bugs/423739 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs