Staff / Student Account

Account Collection

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

Use of Account

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

* 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
   • Student Self-service Password Reset OR
   • Staff Self-service Password Reset
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

Change your OnePass password here

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

• contact ITSC Service Desk (https://servicedesk.itsc.cuhk.edu.hk) OR
• check at “My E-mail Alias and E-mail Address”

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 https://cai.itsc.cuhk.edu.hk/chgpwd OR
2. 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

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.

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:

1. Close all Microsoft 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 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.