As a workaround that doesn't require changing /etc/nsswitch.conf, you can also explicitely disable sudo support for your sssd domain :
[sssd] services = nss, pam, sudo [mydomain/LDAP] sudo_provider = none -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1249777 Title: libsss-sudo generated nsswitch.conf leads to error messages upon sudo invocation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sssd/+bug/1249777/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs