Forms auth user roles

So I have code that works when I run it with VWD2008 express debugger however when I publish the project and test it on IIS5.1 it does not want to get the roles.  Anyone know why?  Is it because I am currently logged in as an administrator when I run the VWD Debugger?  If so how do I over come this so it works for both IIS and VWD Debugger?  Here is my code.  I am using Forms Auth with LDAP

 
protected void btnLogin_Click(object sender, EventArgs e)
{
// Path to LDAP Directory.
string adPath = "LDAP://1.2.3.4/dc=domain,dc=net";
LdapAuthentication adAuth = new LdapAuthentication(adPath);

try
{

if(adAuth.IsAuthenticated(&q ...