The install log shows:
153 Setting up sam.ldb users and groups 154 ERROR(ldb): uncaught exception - 0000052D: Constraint violation - check_password_restrictions: the password is too short. It should be equal or longer than 7 characters! Please use a longer password, and let us know if that does not solve the problem. ** Changed in: samba4 (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1231776 Title: package samba4 4.0.0+dfsg1-1ubuntu1 failed to install/upgrade: サブプロセス インストール済みの post-installation スクリプト はエラー終了ステータス 255 を返しました To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba4/+bug/1231776/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs