Contract semantics of ncalrpc ClientPID / RPC_CALL_ATTRIBUTES_V3 sender attribution
I am trying to understand the documented contract for sender-process attribution on local Microsoft RPC (ncalrpc). This is a correctness/security-boundary question, not a request for undocumented implementation details. For a single ncalrpc call, when a…
Windows for business | Windows Server | Networking | Other
Windows Server 2025 - non evaluation media
I’m trying to obtain the non‑evaluation ISO for Windows Server 2025 so I can perform an in‑place upgrade from Windows Server 2016. The evaluation builds don’t allow the “Keep files and data” option and will reformat existing partitions, so they’re not…
Windows for business | Windows Server | Devices and deployment | Set up, install, or upgrade
windows 11 keeps giving me the BSOD, and theyve given me two different types. 1. Hypervisor error. 2. KMode exception not found.
It is as the title says. it keeps crashing while I play regular games or simply browsing on the iotnernet, but it even crashed in my login screen for my computer. The first BSOD happens but kmode happens sometimes too. but weirdly enough whenever I play…
Windows for business | Windows Client for IT Pros | User experience | Other
Safe to run this to delete an orphaned snapshot in HyperV
HI everyone, Hope you can help. A same orphaned snapshot issue happened again on the same vm on the same Hyper-V Host within 3 weeks. I have checked the timestamp of the vhdx and avhdx. The vhdx stayed in the snapshot time which is this morning…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
Snipping Tool missing after Windows 10 to Windows 11 upgrade, cannot reinstall due to Microsoft Store restrictions
Hello, I am supporting a corporate Windows environment and have encountered an issue after upgrading a device from Windows 10 to Windows 11. Issue: Snipping Tool no longer functions after the Windows 11 upgrade. -As shown in the screenshot, the…
Windows for business | Windows Client for IT Pros | User experience | Other
Microsoft Entra user unable to sign in to Azure Windows 11 VM
I want to sign in to the VM using an Entra ID user account instead of the default local azureuser account created when the VM was set up. Steps tried: Created a Windows 11 Azure VM. Enabled Microsoft Entra ID login. Installed AADLoginForWindows —…
Windows for business | Windows Client for IT Pros | User experience | Remote desktop services and terminal services
How to move the Windows 11 taskbar to the left or right side of the screen?
I have a two-monitor computer setup and recently switched to Windows 11. In Windows 10, I could fix my taskbar to the left side of the screen on my left monitor, and the right side of the screen on my right monitor. However, I cannot find any way to move…
Windows for business | Windows Client for IT Pros | User experience | Other
Problem with volume multi-attach error after node crash
We run critical stateful workloads in our corporate environment, and pods get rescheduled across nodes. Why is it that whenever a worker node crashes, pods in a StatefulSet fail to start with a Multi-Attach error for the volume, the volume stays stuck on…
Windows for business | Windows 365 Enterprise
Local Admin Users Bypassing Chrome Extension Restrictions
Symptoms: local admin users can bypass enterprise Chrome extension restrictions. Enterprise policies are applied normally for standard users, but local profiles can override the configured restrictions through registry settings. Looking at how to…
Windows for business | Windows Server | Devices and deployment | Configure application groups
Win Server 2025: unable to activate PIN or Fingerprint sign-in options.
Hello to all. I have a bit of a problem, I would really appreciate your expertise. I have installed a standalone Win Server 2025 LTSC Preview Build 26052, which was successfully updated to Build 26063.1 through Windows Update, on a pretty old but…
Windows for business | Windows Server | User experience | Other
Windows for business | Windows Server | Devices and deployment | Configure application groups
Request for BIOS instructions to import or clear Foreign Config on Replacement Server Drive
I would like instructions on how to import or clear the foreign config in BIOS for a replacement drive in the server storage array, that when installed, displays a Foreign status and fails to initiate auto-rebuild.
Windows for business | Windows 365 Enterprise
BitLocker Recovery Prompt When Using a New Thunderbolt Dock
Hello community, after introducing a new Thunderbolt dock model, laptops connected to the dock started asking for the BitLocker recovery key during startup. It appears that the dock is causing changes to the TPM PCR measurements, which BitLocker…
Windows for business | Windows Server | Devices and deployment | Configure application groups
The Remote Desktop of the Windows Server built on Nutanix suddenly became unreachable.
When I tried to connect to a Windows Server 2022 Standard Evaluation built on Nutanix via Remote Desktop, the connection suddenly became impossible. Rebooting the server a few times solved the issue, but what could have caused it? For troubleshooting,…
Windows for business | Windows Server | User experience | Remote desktop services and terminal services
KB5077181: Unable to switch between logged-in users when using UPN
Background We are experiencing problems when end users try to switch between logged-in users on computers shared by multiple people. This issue started after KB5077181 was automatically installed. This document describes a lab configuration and test…
Windows for business | Windows Client for IT Pros | Directory services | User logon and profiles
Active Directory: MachineAccountQuota 0 vs SeMachineAccountPrivilege and per-user computer account limits
Working on remediating "Non-privileged users can add computer accounts to the domain." Current default: ms-DS-MachineAccountQuota (MAQ) = 10 SeMachineAccountPrivilege granted to Authenticated Users Requirement: one service-account group…
Windows for business | Windows Client for IT Pros | Directory services | Active Directory
Could you please share the steps to manually install the VS Code Server on the target machine when the automatic download process times out ?
VS Code cannot connect successfully. Connection times out during server download. How can we enable manual installation ?
Windows for business | Windows 365 Enterprise
Azure Virtual VM: Hardware Reserved Memory Issue — Investigation and Troubleshooting
Problem description I am experiencing an issue where my Azure Virtual VM resource shows memory as 'hardware reserved' and it cannot be released for normal Windows or AVD use. The memory reservation appears to be affecting only one session host, and…
Windows for business | Windows Server | User experience | Other
USB-C docking station network connection drops every few minutes
Hi Laptops connected to USB-C docking stations are experiencing intermittent network disconnections every few minutes. The network connection drops and then reconnects automatically, impacting normal productivity. How can I disable USB Selective Suspend…
Windows for business | Windows 365 Business
Unable to connect to Exchange Online Powershell
Hello, I am unable to login to Exchange Online Powershell using the following steps. I am a global admin and the Powershell is opened in elevated mode. I enter the code below Connect-ExchangeOnline -UserPrincipalName <mylogin> Then the login opens…
Exchange Online
A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.
Windows for business | Windows Server | User experience | PowerShell
Server 2025 DHCP: server assigns lease then NAKs same client for same address seconds later, only under high client load
Environment Windows Server 2025 Standard, build 26100.33296 (August 2026 cumulative applied) Domain controller, DHCP role, standalone (failover relationship removed during troubleshooting) Clean OS install July 2026; DHCP config migrated from Server…