when i added ,vers=1.0 to the mount options, i changed the mount options from nounix to unix. you can check this with mount -l (unix is not an option which can be set implicit).$ sudo mount -t cifs //192.168.1.135/fooshare ~/fooshare -o username=foouser,password=foopass,uid=baruser,gid=baruser,vers=1.0to provide extra info:$ sudo bash -c “echo 3 > /proc/fs/cifs/cifsFYI”make sure you unmount the specified mount properly before setting the option. To view the status (number of current cifs mounts by):$ cat /proc/fs/cifs/DebugDatashareimprove this answer

Source: samba – How to mount cifs with unix extensions – Ask Ubuntu