無法讀取ini(編號:5051)

client端產生一ini file 放置於file server
但server端卻無法讀取,為甚麼?
程式如下:
INI_FILENAME = AryJobLog(0, 15)
x = OSGetPrivateProfileString
("COMMON", "nSTEP", "", get_step, Len(get_step),   INI_FILENAME)
(環境:vb5.0,win98)
謝謝各位!!