Help to "load test" a windows authenticated website

Hello guys,

Anyone knows how can I test an ASP.NET 2.0 windows authenticated
website communicating with SQL sever 2005?

Currently, I am using VS team system's test project to test the
website. To pass the authentication test, I am logging into Windows
using one of the "valid" windows user accounts. The website runs using
this user's credentials. Then I'm creating a web test and feeding it
to a load test.

Anyways, I am not sure whether any of the functions I perform on the
website are being carried out. It seems like the pages are only being
visited and none of the functions are being called. (There are some
functions on button click e.g., where database entries are performed
but no entries are visible in the database after running load test.
But these entries are generated while creating web test) Am I doing
something wrong here? Do I need to create some other kind of test to
run these functions? Or should I replace my test tool altogether?

Any suggestions are welcome.

Thanks in advance

.