I had this issue in 14.04 and specifying the domain seperatly fixed it for me. Here is my /etc/fstab entry
//SERVER.DOMAIN.TLD/SHARE /LOCAL_MOUNT_LOCATION cifs sec=ntlm,domain=DOMAIN,credentials=/root/.servercred,iocharset=utf8,file_mode=0777,dir_mode=0777 0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1113395 Title: mount.cifs on 13.04 fails to mount a samba share with 13: Permission Denied To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cifs-utils/+bug/1113395/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs