Unvisable Group folders?

I have a wierd problem. When i made a group sharepoint with difrent folders with difrent group permision it works great with Classic Os and 10.2 -10.3 clients when i use “conect to server” from finder. Problem is when i login to the server as a 10.2x-10.3x client and have the group-sharepoint to outomount on the desktop. Folders become emty if i dont set “evryone” to have “read only” on that folder. If i unmount that group sharepoint and try “Conect to server” i still getts the same problem.
It seams to have with the login proces to do but i dont know if it is a bug or somthing i have made wrong.

Help please!