[Samba] Couldnot open MS power point from Samba share

[vinh_tran at hn.vnn.vn]

Hi all,
i am running the samba 2.2.3a on RH7 as PDC for 40 windows 98 clients
i have the problem opening MS Powerpoint 97 from samba share. the ms ppt
always shows:
<file name> is not correct
where the file name is mangled.
i tried to disable mangled name in samba, but the problem still happens

(mangled name=no in smb.conf)

thank you for advice.