Hello,
I'm having the same issue in 18.04 as well, also fixed it by adding `/var/lib/sss/pipes/private/pam wr,` to `/etc/apparmor.d/local/usr.sbin.cupsd`.
Confirmed both the issue and fix on 2 different machines (both on 18.04) and with 2 different AD accounts.
Hello,
I'm having the same issue in 18.04 as well, also fixed it by adding `/var/lib/ sss/pipes/ private/ pam wr,` to `/etc/apparmor. d/local/ usr.sbin. cupsd`.
Confirmed both the issue and fix on 2 different machines (both on 18.04) and with 2 different AD accounts.