Information Technology Services Centre - Staff / Student Account
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    Staff / Student Account

    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
    • Password: OnePass (CWEM) Password
    • Email Address / Office 365 Login ID: (staff) This email address is being protected from spambots. You need JavaScript enabled to view it. or (student) This email address is being protected from spambots. You need JavaScript enabled to view it.

    This account can be used for a number of IT services including MyCUHK, Office 365, Email, WiFi and VPN.


    Available to
    Staff & students


    Service Charge and Application
    Free; no application required


    Service Availability
    24 X 7


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    1. Getting 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

    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.

    New Staff

    There are several ways to collect your CAI
    1. Visit CU Link Card Centre (Room 804, WMY Building).
    2. Visit Service Desk on 1/F, Pi Chiu Building or 6/F, WMY Building during office hours.
    3. Call ITSC hotline on 3943 8845


    Use of Account
    Your OnePass (CWEM) account is widely used on different IT services:

    Service Staff Student

    CUHK OnePass – Single login and logout across MyCUHK and other online systems

    @Link Email


    Office 365 Mail


    CUHK Online Applications with Central Authentication Directory Service




    On Campus WiFi


    Registration for Off Campus WiFi - CUHK Wi-Fi Hotspot Partnership Program

    Office 365
    * Subject to your right to use a specific online applications


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    1. Change / Forgot Password

    Change Password

    Change your OnePass (CWEM) password here


    Forgot Password
    If you forgot your OnePass (CWEM) password, use either method below:


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    1. Regular Password Expiry

    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
    1. Visit OR
    2. Click “Change Current / Expired Password” on OnePass or CUHK Login Page OR
    3. Click “Change OnePass (CWEM) Password” in "MyPage" after logging into MyCUHK


    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 OnePass / CUHK Login page
    • You will be reminded about the password expiry while logging into OnePass / CUHK Login
    pw expiry


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    1. 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
    To extend your account, please
    For staff: Complete the online application form at least 3 weeks before a staff employment end date
    For students: extend the study period through study programme office before the expected graduation date


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    1. FAQ

    Q1: In my Windows device, my Office 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:

    1. Close  all Office applications (including Outlook, Word, Skype for Business, OneDrive etc).
    2. 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.
    3. Close the Credential Manager window. Restart your PC.
    4. Restart Office 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.




    Change Your OnePass Password anually.

    - OnePass Password Policy

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