Hyper-V virtual machine can't start after Enable Intel Performance Monitoring Hardware
I want to enable pmu in Hyper-V virtual machine.Refer to this article:https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/manage/performance-monitoring-hardware.I only enable pmu by -Perfmon @("pmu"), but failed to start…
Windows for business | Windows Client for IT Pros | Storage high availability | Virtualization and Hyper-V
Computer Connects to WiFi But Won't Work
I have tried all 13 troubleshooting items listed here on the website. None of them have worked. My device is connected to wifi, but nothing works. Other devices have no issue connecting. My office admin is out of office until Wednesday and I am not able…
Windows for business | Windows 365 Business
Windows Server 2019 AD & DNS replication
Hello, I'm running into issues with AD & DNS replication on a recently joined server in our environment. Environment: Three writable DCs in separate sites: Server A (Site A) – Windows Server 2019, AD DS & DNS (healthy) Server B (Site B) –…
Windows for business | Windows Server | Directory services | Other
PnpUtil fails to enumerate drivers.
Does any one understand why this is happening and how to fix it. PS: pnputil /enum-devices works perfectly.
Windows for business | Windows Server | Devices and deployment | Set up upgrades and drivers

PROTECTION HISTORY WON'T DELETE AT ALL
The protection history on my Windows 11 Pro will not delete, even after the 30 day default setting....I even set the delete days lower to 3 then to 1 and still nothing happens....I see where I can go in as the administrator and go through several steps…
Windows for business | Windows Client for IT Pros | User experience | Other

How to remove a calculator that keeps popping up randomly
How do I stop my calculator from popping up randomly?
Windows for business | Windows Client for IT Pros | User experience | Other
Active Directory issue with deleted user accounts still appearing in ADUC
Certain user accounts that have already been deleted from the domain controller are still appearing as active users in Active Directory Users and Computers (ADUC). When attempting to delete the object “User”, the following error is encountered: Windows…
Windows for business | Windows Server | Directory services | Active Directory
The window closes suddenly when clicking on root domain name
WhatsApp Image 2025-07-13 at 5.16.14 PM.jpeg
Windows for business | Windows Server | Directory services | Active Directory
DNS Resolution Failure in Domain Environment - Event ID 7050 on Servers
Hi, We are currently experiencing DNS resolution issues within our Active Directory domain environment. Our server is unable to resolve domain names properly, which is leading to service disruptions across the network. We believe the issue is directly…
Windows for business | Windows Server | Directory services | Active Directory
UserLock login Authentication issue
Hi The Active Directory UserLock client displays this error message after entering the OTP during login. Please advice. I have shared the error message here "ClsdException" caught, ID = 11("(NULL)"), last error =1398…
Windows for business | Windows Server | User experience | Other
licensing Windows Server 2022 in a VMware ESXi 8u3 environment
I request consultation on licensing Windows Server 2022 in the following environment: We have 2 physical servers with the VMware ESXi 8u3 hypervisor installed, with the following characteristics: Server model: Dell PowerEdge R450 CPU: 20 physical cores…
Windows for business | Windows Server | Devices and deployment | Licensing and activation
How to fix Error Acquiring Token
I'm getting this error whenever i try to connect to Exchange online using PowerShell as Admin and I can't figure out how to fix it. Error Acquiring Token: Unknown Status: Unexpected Error: 0xffffffff80070520 Context: (pii) Tag: 0x21420087 (error code…
Exchange Online
Exchange | Exchange Server | Management
Windows for business | Windows Server | User experience | PowerShell
Windows Server 2025 HLK "Wdf - Check Kmdf Function Table Test" fails
I have installed the latest version(10.1.26100.3916(May 2025)) of HLK Studio + Controller in the Server Machine(Windows Server 2022 Datacenter) and HLK client in the test machine(Windows Server 2025 Datacenter). However, only the "Wdf - Check Kmdf…
Windows for business | Windows Client for IT Pros | Devices and deployment | Set up upgrades and drivers
What to do ????
How to activate windows when I don't know my product key
Windows for business | Windows Server | Performance | Windows desktop and shell experience
AVD Host Azure agent failure?
I had an issue last week where two of the AVD hosts reported that they were running, but shutdown and unavailable. Azure could not contact the Azure Agent on these two machines. Moving the OS drive to another VM allowed the unit to boot, but I couldnt…
Windows for business | Windows 365 Enterprise
Does Windows have plans to support WiFi Aware
Hi, Android already support wifi aware, apple plan to support wifi aware from IOS 26, does windows have plans to support wifi aware? Thanks
Windows for business | Windows Client for IT Pros | Networking | Network connectivity and file sharing
Network PC name not showing Windows 11
I have 4 networked PCs. Under Windows 10 when I open file explorer and click on network, I see all 4 PC network names. In Windows 11, I only see 3. The computer I am on does not show up. For instance, let's say I open file explorer, click on…
Windows for business | Windows Client for IT Pros | User experience | Other
My headset doesnt work
I cannot get a headset to work on this computer. I am trying to use voice chat in the Second Life Virtual Reality platform
Windows for business | Windows 365 Business
How to remove former employee's account and administrative right on laptop
Hi all, One of our employees has left the company, still signed into the company laptop. This laptop is not enrolled on Microsoft Intune, thus it cannot be factory reset remotely. We did not realise the gravity of this issue until recently (after 7…
Windows for business | Windows 365 Business
Windows Server 2025 Standard VM Freezing on ESXi 7 with Consistent 21% CPU Usage After Updates [KB5062553] on 10 July 2025 [Temporary FIX]
Issue Description A critical issue is being experienced with a Windows Server 2025 Standard Edition virtual machine (VM) on VMware ESXi 7. The VM frequently freezes and becomes completely unresponsive. This behavior started occurring after the Windows…