Web Monitoring Software/Tool

hi guyz i av discussed my query at asp and msdn forums but no replies found i have an application of asp.net n i need to get internet history of users e.g User A visited Site A at this month of this year but the prblem is i didnt find any tool which can give me the log file. any1 got any idea about any software which is compatible wid Microsoft SQL Server 2000 som1 told me about Microsoft MOnitoring tool and GFI can any guide me??????