I am using standard asp.net membership and roles that works fine.
Once logged in I am using the "logged in event" to authenticate to a third party forum application that also seems to work, ie, it does authenticate the user on the forum application.
However once authenticated on the forum I cannot get past the login screen, I keep getting the returnURL back to login page.
If I take out the forum authentication code it works fine.
Here is a sample of the code I use to authenticate once logged in
// create an instance of the ForumApp.ForumApp.Components.User object
// from the user identity within the ForumApp_Users table
ForumApp.ForumApp.Components.User User = new ForumApp.ForumApp.Components.User(UserID);
// and log the ForumApp.ForumApp.Components.User object into the forums
However I cannot get past the login screen, if I take it out it works fine.