TrustedLogin2 not working in a web service

mtroads

I've got a C# 4.0 web service that accesses WorkSite to retrieve documents as part of my application. I can login using the IManSession.Login method but the application is going to be used by users that are set up to authenticate using the AD. I tried using TrustedLogin2 after successfully logging in using LogonUser but I get an Access Is Denied error from WorkSite. Does anyone have any ideas?


The code that I am using looks like this:

if (LogonUser(username, domain, password, 8, 0, out webtoken))
{
mySess.TrustedLogin2(webtoken.ToInt32());
}

Where LogonUser is defined as:

[DllImport("advapi32.dll")]
public static extern bool LogonUser(String lpszUsername, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, out IntPtr phToken);