redirect problem

[eluser]Sudz[/eluser]
I am using redirect in my controller ,
it works on apache
but it does'nt work on ISS
giving Error Page not found..
please give me solution.



if($login)
{
redirect('homepage/');
}
else
{
redirect('logout/');
}

I am using above code

But it is not redirected on ISS it works on Apachce.
homepage is my controller .