After reporting/registration to the University, staff/students will receive a set of OnePass (CWEM) account including
Login ID: (1)Staff / Student ID ; (2)Computing ID & (3) Email address Password: OnePass (CWEM) Password Email Address: (staff) alias@cuhk.edu.hk or (student) student-ID@link.cuhk.edu.hk
This account can be used for a number of University IT systems and services including MyCUHK, Microsoft 365, Email, WiFi, VPN and more. In using this account, users are automatically governed by the policies and guidelines that published at Computer Network – Policies & Guidelines on Access and Usage.
Available to
Staff & students
Service Charge and Application
Free; no application required
Service Availability
24 X 7
1. Get Started
Account Collection
You can collect your Computing Account Information slip (CAI) which shows your OnePass (CWEM) account information:
New Student
You will receive a 6-digit V-code to according to the schedule in 2020 / 21 .
Please 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. You should save it to avoid repeated obtainment.
Note: 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 (CWEM) Password at least annually as a security measure. Please visit OnePass (CWEM) Password Policy for details.
An email reminder will be sent to you before your account expiry. To change password, please
Click “Change Current / Expired Password” on CUHK Login Page OR
When Your OnePass (CWEM) 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
4. Account Deletion / Extension
Your OnePass (CWEM) account will be deleted after your employment end date / graduation date. Please archive and backup all your files and emails, and remove email forwarding before your account deletion.
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.
5. FAQ
Q1: In my Windows device, my Microsoft applications keep prompting for login (such as after changing my OnePass). How to resolve it?
A1: You need to clear the Windows Credential Manager, please follow the steps below:
Close all Microsoft applications (including Outlook, Word, Skype for Business, OneDrive etc).
Click Start > Control Panel > User Accounts > Credential Manager > Windows Credential.
Select each item whose type is MicrosoftOffice16_Data:ADAL:<GUID>, and then press Delete. Repeat this step to delete all items for your account.
Close the Credential Manager window. Restart your PC.
Restart Microsoft Application and it will redirect you to CUHK Login page. Follow the screen instruction to enter your email address as your login ID and OnePass password. Contact ITSC if you have any further enquiries.