Dear Gruop, I'm using samba as a domain controller. My domain users group is called smbusers an I've set it with net mapgroup command. I need a share that is not public but it acts as a public share: I need a share I can use an mdb file in it accessed by multiple users so I need permissions to write execute and read for the group smbusers to every new file is created by anyone else. In fact every time someone opens an mdb file it creates a lock file (*.ldb) that is accessible for the user that opened the access file the first time and the other users that try to open it are given the error "Could not lock file". my share now is: [private] comment = private path = /home/samba/private read only = no force group = smbusers How can I manage? Thanks, Lorenzo ? ?? ?? ?? ?? ?? ?? ?? ?? ? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ? ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ? ? ?? ?? ?? ?? ?? ?? ?? ?? ? ? ?Lorenzo Allori Systems Administrator Office: +393491924516 Mobile: +393398612411 The Medici Archive Project <lallori@medici.org>