Staff / Student Account

After reporting/registration to the University, staff/students will receive a set of OnePass account including

Login ID: (1)Staff / Student ID ; (2)Computing ID & (3) Email address
Password: OnePass Password
Email Address: (staff) or (student)

Note: “OnePass password” or “OnePass Account” is formerly known as “CWEM Password” or “CWEM Account”

Available to

Staff & students governed by the policies and guidelines that published at Computer Network – Policies & Guidelines on Access and Usage.

Service Charge and Application

Free; no application required. Please refer to tab 1. Get Started for its collection.

Service Availability

24 X 7

Account Collection

You can collect your Computing Account Information slip (CAI) which shows your OnePass account information:

New Student

  1. Please check when you will receive a 6-digit verification code (V-code).
  2. Enter Student Computing Accounts Collection System (SCACS) with your V-code to obtain the CAI for at most 5 times online. Each obtainment will generate a new OnePass password. 
New Staff

From now on, staff who joins CUHK from 19 Dec 2022 can check your staff account readiness and collect the account 24×7 via Self-service Account Collection (SSAC). You will also be informed your account readiness via SMS / email if we find alternative contact available in CUPIS.

Other collection methods are available during office hours:

  1. Visit Service Desk on 1/F, Pi Chiu Building or 6/F, WMY Building; OR
  2. Visit CU Link Card Centre on 8/F, WMY Building (except Aug / Sept); OR
  3. Call ITSC hotline on 3943 8845 to let us know your need

Use of Account

Service Staff Student
CUHK Login – single sign-on to different University systems, including Blackboard * *
Microsoft 365, including Email Service (@Link / Microsoft 365 Mail)
CUHK Online Applications with Central Authentication Directory Service * *
On Campus WiFi
Registration for Off Campus WiFi – CUHK Wi-Fi Hotspot Partnership Program

* Subject to your right to use a specific online applications


1. Forgot Password

You may get back your password in EITHER way below:

  1. reset it yourself at
  2. Complete the online application form (response in generally 1 working day)
  3. Visit Service Desk on 6/F, WMY Building during opening hours

2. Change Current / Expired Password

To change password, please:

Your password might be expired even if the login page tells “incorrect ID / password”. Please see tab 3 – Regular Password Expiry here for details.

3. Forgot Computing ID

You cannot change your computing ID. To check your computing ID, please


You need to change your OnePass Password at least annually as a security measure. Please visit OnePass Password Policy for details.
An email reminder will be sent to you before your account expiry. To change password, please

  1. Visit OR
  2. Click “Change Current / Expired Password” on CUHK Login Page OR

When Your OnePass Password Expires

  • You can still change your password
  • You will be prompted with “Incorrect ID / Password” while logging into IT services that do not involve CUHK Login page
  • You will be reminded about the password expiry while logging into CUHK Login



Your OnePass account will be deleted after your employment end date / graduation date. Please refer to the checklist below before you leave:

Account Extension

Account Extension Service here is mainly for

  • a leaving staff to have job handover or
  • a current staff who will have new appointment under CUHK which is under process of Human Resources Office.

Please complete the online application form at least 3 weeks before a staff employment end date. To protect the University IT resources, ITSC will generally offer account extension up to one month after getting the department endorsement.

For students, accounts will only be extended when the study period is extended by the related study programme office before the expected graduation date.