If you are first time user or forgot your password, please complete the follwing steps to update it. Please click here to know how to use.
Step 1. Enter Student Number
Student Number:
Please enter your student number.
If you forgot your student number, please click here.
Captcha: CAPTCHA Image
Play CAPTCHA Audio
Refresh Image
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.
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