Registered library users only. Invalid HKU Portal UID/Library card number or PIN.[note: For patrons of HKU SPACE, Alumni, Circle of Friends and JULAC card holders, please reset your PIN if you have already set your PIN before 17 July 2017.] HKU Portal UID (without @hku.hk or @connect.hku.hk) / Library card number: PIN: Need help? What is my login and PIN? For Alumni, HKU SPACE Students, Circle of Friends and JULAC Card Holders: Set / Forgot PIN Change PIN