Issue with superadmin user (sap*) in portal

Hi,

I have issue with my superadmin user (SAP*) in portal system.

When I activated superadmin user (sap) from configtool and tried to login to the system with sap it is not letting me to enter into portal instead it is asking whether I am new user and also giving me link for "register user".

Please suggest.

Regards,

Chandra.