On your Samba server, check build options: #: smbd -b - look for vfs_catia, vfs_fruit, vfs_streams_xattr modules. If you have the vfs_ modules, then take a look at this: https://wiki.samba.org/index.php/Configure_Samba_to_Work_Better_with_Mac_OS_X <https://wiki.samba.org/index.php/Configure_Samba_to_Work_Better_with_Mac_OS_X>