Hi, I have integrated the vBulletin3 plugin with aMember and SSO works accordingly and all that. I have a custom front end to my clients site where they can log into the site, and access vBulletin and aMember. Now I have two problems, My first problem is, I am posting the login information to the aMember login.php as this appears to process the vBulletin login (and accomplish SSO). Now how do I set a custom $_SESSION on login so I can distinguish if a user is logged in or not. My Second problem is, if I post my login information to vBulletin - if there was an issue with the payment in aMember, the user account is initialized in aMember, however not in vBulletin, and therefore I get a user not found error. My preferred method is method 1, posting to aMember, however I have attempted to set my own SESSIONs in amember_login_user() in lite.inc.php however these don't appear to be registering. Any help woudl be much appreciated, I know i'm maybe a little vague with details, but if you woudl like any more information just let me know. Thanks in advance, William Cameron william.cameron@mtcmedia.co.uk