Thanks but that's won't resolve my problem .I gave an acount on my server to my friend let's say username: aaa password : bbb in the group friends.In the i-bay's "mp3"i gave access to group friends than write : admin read : group.
When he try to connect he has the windows username & password ,he try the one i gave to him from his users acount but it doesn't work.I try every combination from write and read in the ibay's mp3.If somebody can help me i would be appreciate