How do I find my recovery key for my computer and how do I enter
I am currently locked out of my device because BitLocker is prompting for a 48-digit recovery key. When I try to sign in to my Microsoft account at the Microsoft Recovery Key Portal, it shows that no keys are linked to my account. please see attached…
Windows for business | Windows Client for IT Pros | Devices and deployment | Recovery key
BSOD after Windows Update Windows 11 25H2
Restarted the computer and it would not boot back up. The screen is throwing a 0xc0000001 error when booting. I have edited the BCD records and there is no system restore. The files are all still there and not interested in reimaging. Is there a more…
Windows for business | Windows Client for IT Pros | User experience | Other
How to use Task Scheduler in dark mode
On both 11 and 2022 I've personalized my account to use the dark theme. This seems to propagate to most Windows apps, but not Task Scheduler. The Options tab only seems to have ONE option (related to disk cleanup). How can I switch Task Scheduler to…
Windows for business | Windows Server | User experience | Accessibility
Gen 2 VM won't boot after firmware update
Not sure if these are related. Updated motherboard firmware on the Hyper-V node. After the reboot one Gen 2 VM stopped booting, everything else on the cluster still works only seeing secure boot validation in event viewer. Anything else worth checking…
Windows for business | Windows 365 Enterprise
One user is hogging all the disk speed on our shared remote server
We have got a bit of a nightmare on our hands with our shared remote desktop server. We have about 50 people working on the same machine, but today just one user ran a massive SQL report and completely killed the disk speed for everyone else, leaving…
Windows for business | Windows 365 Business
Memory keeps growing during container scale tests
Running thousands of Hyper-V isolated containers every day. Everything finishes successfully, but memory usage on the host keeps increasing until we reboot it. Looks like memory isn't being reclaimed after the containers are destroyed. Any way to force…
Windows for business | Windows 365 Enterprise
Why are temp files deleted after EseDiskFlushConsistency event?
We have a program that creates temporary files. Today one of our users had the problem that the temporary files disappeared. The temporary files we create are deleted only when the program terminates, but the program was still running. I checked the…
Windows for business | Windows Client for IT Pros | User experience | Other
Fixing Packet Loss in a Nested Hyper‑V Virtualization Stack
Hi We’ve built a multi‑layer nested virtualization setup where a Hyper‑V VM hosts an inner containerized network layer. Even with MAC address spoofing enabled on the outer VM’s virtual switch, the inner networking stack still drops all outbound traffic…
Windows for business | Windows 365 Business
CSV read cache collapsed completely following the SAN controller failover
Hi team We allocated 64GB of host memory to the CSV read cache, but after a routine storage controller failover on the SAN, the cache completely stopped intercepting read I/O , the hit rate dropped straight to zero. This usually means the CSV cache…
Windows for business | Windows 365 Enterprise
How many active users can log in to a Windows Server using RDP
How many active users can log in to a Windows Server using RDP?
Windows for business | Windows Server | User experience | Session connectivity
Performance Bottlenecks with iSCSI Loopback Targets Under Heavy Database Workloads
Hi guys We are running a high-performance database workload that relies on locally hosted iSCSI loopback targets to present virtual disks to the operating system. During periods of sustained random-write activity, storage performance degrades…
Windows for business | Windows 365 Enterprise
NVMeDisk.sys Performance Bottleneck and CPU Core Scaling Issues
Hi everyone We recently migrated our mission-critical database workloads to enterprise-grade NVMe storage and are using the newer NVMeDisk.sys driver stack instead of the legacy disk.sys implementation. While the migration was successful, we're…
Windows for business | Windows 365 Business
optimizing SMB witness metadata traffic
VM startup performance is great until we power on a large batch at once. At that point, latency shoots up, and the only thing standing out is SMB Witness metadata synchronization. Has anyone found a good way to optimize it?
Windows for business | Windows 365 Enterprise
0x800f0922,Microsoft Print to PDF Missing,Win11 24H2
1,run optionalfeatures.exe,Failed 2,Manually add a printer driver,Failed 3,run Command ,Failed sfc /scannow dism /online /cleanup-image /restorehealth Disable-WindowsOptionalFeature -Online -FeatureName Printing-PrintToPDFServices-Features …
Windows for business | Windows Client for IT Pros | User experience | Print, fax, and scan
KCC still hanging on to SMTP replication after the WAN recovered... how do you force it back to RPC?
Had a WAN issue earlier today that was bad enough for AD to reshuffle part of the replication topology. During the outage, KCC started using SMTP for our Configuration partition instead of the usual RPC over IP, which made sense at the time. The WAN's…
Windows for business | Windows 365 Business
ReFS Block Cloning throwing timeouts during VHDX merges. Anyone found a way to bump up the metadata timeout threshold?
Hi all, Hope you're having a productive week. We’ve landed ourselves in a bit of a pickle with our high-density dev environments. We’re leveraging ReFS Block Cloning to handle rapid VM checkpoint merges, which is brilliant in theory. However, under heavy…
Windows for business | Windows 365 Enterprise
windows crashes many times
each time windows crashes i get a black screen stating that error info is being collected and then the only way i can get off this screen is manually turning my computer off with the side button and then turning it back on again using the side button…
Windows for business | Windows Client for IT Pros | User experience | Other
Issue with website not allowing me to proceed
Hi all I have an issue with website not allowing me to proceed on devices in my work place. The website is accessible from my personal laptop which is MSI with windows 11 home edition. At work we use Windows 11 Enterprise. I can also access this web on…
Windows for business | Windows 365 Business
IPAM reporting false duplicate addresses during DHCP failover synchronization
Dear support team, Our IPAM server is responsible for tracking address usage across three separate DHCP failover pairs. Most of the time everything works as expected, but during the morning rush, when thousands of clients renew their leases within a…
Windows for business | Windows 365 Enterprise
One-Way Incoming Shortcut Trust behaving like Outgoing External Trust
Setup: We configured a One-Way Incoming Shortcut Trust between two internal business units to speed up our authentication path tracking. The Problem: Resource allocation across this boundary is completely failing. Actually, it is behaving exactly…