I tried changing ACL for others from red/write/execute to read only but then I could not paste from windows into OMV. I changed again for others to read/write and that allowed me to paste from windows to OMV. I guess my question now is how does one add a windows user to my user group in OMV to allow the suggested change in Samba to work. I changed the samba folders from Guests only to guest allowed but then could not paste so I suppose the windows user has to be added to the user group in some way. Otherwise, using the ACL seems to be working for me.
Any advice on how to add the windows user to the OMV user group would be appreciated.