Hello, I have installed Samba 2.0 on SCO Open Server 5.0.4 and have a W95 and a W98 client attached. Each client maps out the same share successfully. The problem is that the clients are not receiving the message from samba about opportunistic locking. In smb.conf, "oplocks = no " is set. I also set the debug level appropriately to monitor the activity of samba. When previously read data from an open file is changed and re-read, the client does not see the change, indicating the client has cached the file. No network activity was observed in the debug log files. This indicates the client is caching the file and not receiving the message from samba that there is to be no opportunistic locking. Is there another way to signal the client from samba not to cache? My smb.conf file is listed below: [global] printing = bsd printcap name = /etc/printcap load printers = yes max xmit = 8192 dead time = 0 keep alive = 60 status = yes log file = /usr/local/samba/log.%m lock directory = /usr/local/samba/var/locks preserve case = yes security = share [csyslnk] comment = cSys Link File path = /usr/ubb/DATA max connections = 0 writable = yes create mask = 0765 oplocks = no Stu Roberts sroberts@csystemssoftware.com <mailto:sroberts@csystemssoftware.com> c-Systems Software, Inc. 6012 W. Campus Circle Drive Irving, TX 75063 (972) 580-0700 (voice) (972) 580-7722 (fax)