I compiled 2.6.7 from the original source and it seems to not refresh kerberos tickets either.
I have reported this upstream. See https://bugzilla.samba.org/show_bug.cgi?id=9098 ** Bug watch added: Samba Bugzilla #9098 https://bugzilla.samba.org/show_bug.cgi?id=9098 -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1037055 Title: winbind does not refresh kerberos tickets To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1037055/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs