We are facing problem when we run a script for attaching a 20k file from web page. It takes average of 40 sec to attach a file. The number of users run were about 500 users.
This is on Windows 2000.

When other free tool which Grinder which resides on UNIX and other sub network area it gives response fast. It's within 5 sec

If any one faced this problem and if you have answers please let me know. This is bit ******