This KB will guide you on unlocking a locked 'portal' user and reset its password if unknown.
Sometimes the default 'portal' user is locked due to wrong password typed or the password is unknown and thus no one can log on to the portal server.
You should now be able to logon to your Portal Server using the 'portal' user and the password you set.
(If still fails, redo the above steps and before you reboot the system run the below command:
And then reboot the system).