201 questions
201 questions with Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V tags
3 answers
Hyper-V 2025: NUMA Spanning forces cross-node memory even for small VMs, and no oversubscription possible with spanning off
Hi all, I’ve been testing Hyper-V on Windows Server 2025 with a dual-socket AMD EPYC 9175F server (16 cores per socket / 32 total). Each NUMA node has its own directly attached NVMe storage and RAM. I’m running multiple VMs, each with 16 vCPUs and 50…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-06-29T14:16:25.6933333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(83.2, 56.00000000000001%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
ReubenTishkoff
10
Reputation points
answered 2025-12-09T07:13:53.31+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 22%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAF%3C/text%3E%3C/svg%3E)
Alexander Fuchs
0
Reputation points
3 answers
Windows Server 2025 HyperV cluster (2 node) Quorum issue
We have a two node HyperV cluster on Windows server 2025. The disk quorum does not work. If you restart the node that is the owner node of the quorum the cluster goes down. With Windows 2022 this wasn't the case. The cluster only goes down if you restart…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-12-04T21:28:33.86+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 43%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECG%3C/text%3E%3C/svg%3E)
Chip Gehrke
0
Reputation points
edited an answer 2025-12-08T01:58:57.81+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(220.8, 55.00000000000001%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENB%3C/text%3E%3C/svg%3E)
Nam Bui (WICLOUD CORPORATION)
790
Reputation points Microsoft External Staff
Moderator
1 answer
what events do you look for when Hyper-V VMs reboot repeatedly
4/10 VMS on a Hyper-V host rebooted three times, each four right after one another. Only see a GPO error event 1058 Microsoft-Windows-GroupPolicy which fails a number of times then succeeds and event 41 that the system shutdown ungracefully. Started on…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-11-29T20:17:53.7133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 35%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHS%3C/text%3E%3C/svg%3E)
Hall, Stephanie K
0
Reputation points
commented 2025-11-29T21:27:40.9133333+00:00
Hall, Stephanie K
0
Reputation points
5 answers
Cluster Validation Stuck
Hello everyone, I'm having the following problem when creating a 2-node HA cluster (Server 2025) using the Windows Admin Center. Up to the point ‘Validate Cluster’ everything worked fine. Unfortunately, the process gets stuck at ‘1% Gathering data about…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-03-28T15:30:51.6+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(188.79999999999998, 3%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESM%3C/text%3E%3C/svg%3E)
Schmidt Marc
30
Reputation points
answered 2025-11-28T23:04:51.47+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(259.20000000000005, 50%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Jonathan Prevot
0
Reputation points
4 answers
Failed to start the HyperV Server after reset the NAS Synology data
File Server failed to start after reset the synology machine webui password. But the disk image looks fine.
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 20%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHT%3C/text%3E%3C/svg%3E)
4 answers
how to connect a USB removable drive to a virtual machine
how to connect a USB removable drive to a virtual machine
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-11-06T18:43:22.9366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 1%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETS%3C/text%3E%3C/svg%3E)
Tomasz Sajko
0
Reputation points
answered 2025-11-23T08:36:58.3133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(275.2, 16%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EV%3C/text%3E%3C/svg%3E)
VPHAN
10,000
Reputation points
Independent Advisor
18 answers
One of the answers was accepted by the question author.
Problem booting Windows 2012R2 VM on Windows 2025 Hyper-V
We're having a problem with a Windows Server 2025 Hyper-V cluster. We have 2 identical clusters (same hardware, same BIOS version) and when we move a Windows 2012R2 VM from one cluster to another it does not boot any more (tested with 2 different…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-07-20T05:33:22.69+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 54%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESC%3C/text%3E%3C/svg%3E)
Stefan Cuypers
100
Reputation points
edited an answer 2025-11-19T14:46:17.9166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 51%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKL%3C/text%3E%3C/svg%3E)
Kristofer Layman
1
Reputation point
1 answer
One of the answers was accepted by the question author.
Remote Hyper-V
I try to remote my Hyper-V but always get below notification even i click yes button. Anyonw know why?
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-11-08T10:38:29.14+00:00
Handian Sudianto
6,541
Reputation points
edited the question 2025-11-10T03:13:56.7333333+00:00
Nam Bui (WICLOUD CORPORATION)
790
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Hyper-V Backup
My Hyper-v running under windows server 2019 and i want to upgrade to windows server 2022. I decided to install new fresh windows 2022 in same machine. If i turn off all VM guest, then i can import this in Windows 2022? Also is there any way to backup…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-11-08T10:24:11.7166667+00:00
Handian Sudianto
6,541
Reputation points
edited the question 2025-11-10T03:09:50.5166667+00:00
Nam Bui (WICLOUD CORPORATION)
790
Reputation points Microsoft External Staff
Moderator
1 answer
We are unable to access drives (D:/E:/G:/) from Windows Server 2022 after server restart
We have restarted server for windows patch updates but post restart we are unable to access following drives (D:/E:/G:/). we have tried multiple options to upgrade storage drivers, BIOS update, permissions on security tab under properties, created other…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-10-30T07:35:30.7566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 32%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBK%3C/text%3E%3C/svg%3E)
Balaji k
0
Reputation points
answered 2025-10-30T08:15:27.29+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 62%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHH%3C/text%3E%3C/svg%3E)
Hailey Huong Bui
2,285
Reputation points
Independent Advisor
2 answers
How to fix Failover Cluster for Hyper-V in Windows server 2022 Standard
Dear all, I build lab with 2 hyper-v in Windows server 2022 standard using WorkGroup Cluster (no domain controller) 2 build 2 server: hyper1 and hyper2 is node for failover cluster. create failover cluster with hyper1 and hyper2 is join to cluster. …
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-10-23T00:53:01.36+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 1%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQT%3C/text%3E%3C/svg%3E)
quan trinh
0
Reputation points
answered 2025-10-29T01:06:44.8766667+00:00
Nam Bui (WICLOUD CORPORATION)
790
Reputation points Microsoft External Staff
Moderator
1 answer
P2V from server 2003 R2 to HyperV in Server 2022
Hello, I have a problem, since I made a P2V with Disk2VHD version 1.5 I think, from a PC with Windows server 2003 R2, and I tried to place it in HyperV on a 2022 server host. The problem I have is the blue screen, because it doesn't recognize the units…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-10-16T16:12:44+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(73.60000000000001, 57.00000000000001%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAR%3C/text%3E%3C/svg%3E)
Andres Rodríguez
0
Reputation points
answered 2025-10-16T16:33:58.4766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 61%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHP%3C/text%3E%3C/svg%3E)
Harry Phan
9,985
Reputation points
Independent Advisor
1 answer
How to hide the topbar in Hyper-V client in full screen?
This thing here is in the way
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-07-03T09:30:39.1433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 11%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJK%3C/text%3E%3C/svg%3E)
Johannes Kingma
396
Reputation points
recommended 2025-10-10T03:41:51.9966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 86%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Harry Vo (WICLOUD CORPORATION)
3,505
Reputation points Microsoft External Staff
Moderator
1 answer
Something wrong with my Hyper-V Service
Recently I have encountered a problem when I'm trying to install wsl in my computer. Every time I tried to open the Hyper-V,Virtual Machine Platform and Windows Subsystem for Linux in "Turn Windows features on or off".After I ticked in the…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 20%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 33%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDV%3C/text%3E%3C/svg%3E)
2 answers
Hyper-V bug on Windows Server 2025 after installing KB5063878: Windows Server 2012 R2 VMs fail to boot
After installing the August 2025 Cumulative Update (KB5063878, build 26100.4946) on Windows Server 2025 (24H2, Standard, Hyper-V host), virtual machines running Windows Server 2012 R2 (Gen2, configuration version 12.0) fail to boot. In all attempts, the…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-25T11:04:32.37+00:00
ReubenTishkoff
10
Reputation points
commented 2025-09-16T08:23:10.39+00:00
ReubenTishkoff
10
Reputation points
2 answers
One of the answers was accepted by the question author.
how to fix raw storage
Hello everyone. Using computer management, I combined 4 disks as one logical one. Then, using the hyper v control panel, I created a virtual server on this disk. Each disk is 5 TB. A total of 20. There was a power outage / on, several times that…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-09-09T08:19:28.41+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 65%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
adlan solt
40
Reputation points
accepted 2025-09-10T12:38:13.68+00:00
adlan solt
40
Reputation points
1 answer
One of the answers was accepted by the question author.
Add Windows 2025 servers to an existing Hyper-V Windows Server 2019 cluster.
We want to migrate our 250 vm's from an existing 8-node Hyper-V Windows 2019 Server cluster to 6 new Windows 2025 servers. Is it possible to add the new 2025 servers to our existing 2019 cluster and live migrate the VM's to this new 2025 cluster nodes…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-09-03T14:43:46.18+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(188.79999999999998, 45%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERH%3C/text%3E%3C/svg%3E)
Regterschot, Herman
20
Reputation points
accepted 2025-09-04T06:35:26.36+00:00
Regterschot, Herman
20
Reputation points
2 answers
Hyper-V on WS2025: 80–90% 4K Q1/T1 hit inside VM — how do I reduce vSCSI small-IO latency?
Goal: Understand and reduce the large 4K Q1/T1 penalty inside a VM vs host on Windows Server 2025 (latest August CU). Setup Host: WS2025, Hyper-V role, NUMA Spanning OFF, High Performance. Dell PowerEdge R7725, 2× AMD EPYC 9175F (64 LP). Drives…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-09-03T15:52:59.1433333+00:00
ReubenTishkoff
10
Reputation points
answered 2025-09-03T17:28:11.6833333+00:00
ReubenTishkoff
10
Reputation points
1 answer
HYPER V OS KEEPS CRASHING
So, my server is hosting my hyper v vm and when I connected an external hdd, the hyper v crashed and now it only boots up, ask if I want to troubleshoot, shutdown or restart machine. When I mount the .vhdx to the local machine, I can see that all data…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-20T03:37:04.0033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(147.20000000000002, 92%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EI%3C/text%3E%3C/svg%3E)
Inz
0
Reputation points
answered 2025-08-21T06:37:22.2233333+00:00
Harry Phan
9,985
Reputation points
Independent Advisor
2 answers
What is Support Doing to Recover Hyper-V Node from KB5062557?
On one Windows Server 2019 Hyper-V Failover Cluster node the Cluster Service is repeatedly stopping and restarting, causing the node to fail to rejoin the cluster and is entering quarantine states. Our configuration is using BitLocker with Cluster Shared…
Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-07-24T17:40:57.58+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 52%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
MrMJFisher
51
Reputation points
answered 2025-08-18T16:44:07.02+00:00
MrMJFisher
51
Reputation points