samba - Jun 2004 - Slow response when using Msoffice

Hi,
 
Everytime I use MSoffice product such as Excel, Word and Powerpoint to open
file in Samba share, it takes very long time (at least 1 min) to browse, but
it has no problem on windows explorer, I guess it is waiting for some kind
of time out as it has no usage on the user CPU power.  But not all of the
user got the same problem, and it seems most of the case are happened on
winXP.  Any idea?
 
config
====Samba 3.0.4
Redhat 8.0
Kernel 2.4.20-28
 
[global]
 workgroup = PBE
 server string = Central File Server
 security = DOMAIN
 log file = /var/log/samba/%m.log
 wins server = 192.168.1.9, 192.168.1.55  ldap ssl = no  idmap uid 10000-20000 
idmap gid = 10000-20000  template homedir = /public/home/%U
template shell = /bin/bash  winbind cache time = 5  veto oplock files
|.xls|.XLS|

Please help, thankyou very much.
 
 
Best Regards,
Steven Tse
Network Engineer - IT Department
Possehl Electronics (HongKong) Ltd
Tel: (852) 2942 0675 
Email:  <mailto:steven.tse@possehlelectronics.com.hk>
steven.tse@possehlelectronics.com.hk