How to Access Shared Folder in Windows 2003 R2 from Windows 98 OS?

i have setup a network between Windows 2003 R2 File Server and Windows 98, i shared a folder from windows 2003 R2 however, when i tried to access the shared folder it’s asking for network Password. i planned to use windows xp pro but there are hardware compatible with windows 98 only. can anyone help me how to access this folder?? tips and techniques are very much appreciated.. the netbios is working fine. i can view all workgroup computers. Many Thanks..