Forget CAS Password

Step 1

Enter Student Number

Step 2

Send Validation Code

Step 3

Enter Validation Code

Step 4

Update Password

Step 1. Enter Student Number

Student Number:	Please enter your student number. If you forgot your student number, please click here.
Captcha:	Please enter the displayed Captcha value on the upper textbox.

Step 2. Send Validation Code

We are going to send you a validation code, please select which way you want to receive the code:

According to the regulation by the Communication Authority, SIM cards without real-name registration will be deactivated after 23 February 2023. Please be reminded that you are not able to receive SMS if your SIM card has not completed registration.

A validation code will be sent to your mobile phone number, .

A validation code will be sent to your email address, .

If it is not your mobile phone number or email address, please contact our IT Help for assistance.

Step 3. Enter Validation Code

The validation code has been sent to you by SMS/email. Please enter the code into the system within 5 minutes. If the code expires, please click "reload" to try again.
Validation Code:

Step 4. Update Password

New Password:

1.	Has to be at least 10 characters long
2.	Contains at least a letter (A - Z, a - z) and a digit (0 - 9)
3.	It is recommended to assign password with at least 14 characters consisting of upper case letters, lower case letters and digits.
4.	Does not contain white space character and either of these characters, $ " \ / `
5.	Password must NOT be repeated for at least 3 cycles of change
6.	\| More Info \|

Re-type New Password:

Important: Please note that your new password can only be used to log in the HKU SPACE Central Authentication Service (CAS).

Step 4. Update Password

Your password has been updated successfully.

The system is not able to update password for you, please click "reload" to try again.
If this is not the first time you found this message, please contact IT Help for technical assistance.