Recent content by Kelvin Cheung

When I connected the HP LaserJet 1320n printer to new Windows 11 desktop computer, it detects the printer but there is no corresponding driver could be found, but this laser printer works well with previous Windows 10 desktop computer. How to solve this problem?

I have checked the items you mentioned, laptop is not managed by school, but still cannot download file, it works well previously, but since last week, user cannot download file anymore, can you provide any possible cause?

In Windows 11 laptop, I cannot download files from Email and Whatsapp (both web version and Whatsapp app), even I have paused the antivirus protection, the files are still uphold and cannot be downloaded. Please help on this issue? Thank you

Do you have any experience in installing Windows 11 25H2 which provided by Tiny? Is there any problem found in this version of Windows 11? What is the concern of installing this version of Windows 11 on existing Windows 10 desktop or laptop?

I have over 30 desktop computers running Windows 11 in the computer lab, when user login with the same local accounts and Microsoft Office 365 are installed on these desktop computers. While user want to use the Word, Excel, Power Point or other Office App on the desktop, login with Microsoft...

How to setup a specific list of users in Microsoft Sharepoint 365, the user must login with 2FA (i.e. Microsoft Authenticator App) , in order to enhance security of system?

I could locate the function and have raised the forest functional level to Windows Server 2012 R2. 1. What is the next step to be followed according to your previous suggested solution on fixing the communication issue between data server and domain controller? 2. Does the two domain...

According to your suggestion, I open the Active Directory Domains and Trusts, and try to Raise the level Forest Functional Level. However, it is found that only Raise Domain Functional Level in the list. Could you please give further information in this case. Thank you

As I am going to raise the forest function level in AD of DC1. In the same properties, there is no Raise Forest Functional Level option found. (please refer to attached screen capture above). 1. Could you give me suggestion to perform this action (raise forest functional level)? 2. Which...

Backup of AD is completed and Raised Domain Functional Level. Please refer to following screen capture of our domain What is the next step suggested to perform?

This is the version found about AD in our DC controller. Is there any problem of this version of AD? Any further suggestion on this issue?

We do have 2 domain controller: named DC1 and DC2 within our domain , both of them run on Windows Server 2012 R2. Is it okay to for me to click "Raise Domain Functional Level"? How to backup the Active Directory?

In the properties of our domain, functional level cannot be found. Instead, when I right-click the domain, there is Raise domain functional level under All task, should I click that option?

I have run the first test dcdiag on DC controller, where most of tests are passed, except one test is failed: DC1 failed test SystemLog. And there is an error message displayed in command as following: The Kerberos Key Distribution Center lacks strong keys for account kerbtgt. An error event...

I will try to use suggested solution 1 Investigate Active Directory Connectivity: Ensure that DNS settings are correct, and use tools like dcdiag to check the health of domain controllers, firstly. What is expected outcome to be found if it is related to DNS server? Should I execute the command...