195 questions with Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V tags

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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
Balaji k 0 Reputation points
answered 2025-10-30T08:15:27.29+00:00
Hailey Huong Bui 375 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
quan trinh 0 Reputation points
answered 2025-10-29T01:06:44.8766667+00:00
Nam Bui (WICLOUD CORPORATION) 85 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
Andres Rodríguez 0 Reputation points
answered 2025-10-16T16:33:58.4766667+00:00
HarryPhan-2691 8,170 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
Johannes Kingma 156 Reputation points
recommended 2025-10-10T03:41:51.9966667+00:00
Harry Vo (WICLOUD CORPORATION) 3,380 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
asked 2025-10-06T01:57:17.93+00:00
frostine 0 Reputation points
answered 2025-10-06T02:30:15.8133333+00:00
Domic Vo 8,770 Reputation points Independent Advisor
17 answers

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
Stefan Cuypers 75 Reputation points
answered 2025-10-02T13:38:31.4366667+00:00
Kristofer Layman 1 Reputation point
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
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
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
Inz 0 Reputation points
answered 2025-08-21T06:37:22.2233333+00:00
HarryPhan-2691 8,170 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
MrMJFisher 51 Reputation points
answered 2025-08-18T16:44:07.02+00:00
MrMJFisher 51 Reputation points
6 answers

Hyper-V host VMs unable to communicate with VMs on other clustered host?

Hey all - I'm hitting a wall with this one and was hoping someone might spot something obvious I'm missing. Sorry if my description gets a bit dizzying... I have 2 Server 2022 hosts in a failover cluster, each with similar networking: 2x 40Gbps links…

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-07-31T21:06:44.3333333+00:00
Jon Hall 5 Reputation points
answered 2025-08-14T20:02:27.5166667+00:00
Martijn Goorman 5 Reputation points
1 answer

Windows Server Backup keeps failing

Hi, we are having issue with the "Windows Server Backup" . It keeps giving us an error The semaphore timeout period has expired - Unknown Error (0x8004245f) In the event viewer I can see Backup error '0x807800C5' (There was a failure in…

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-07T02:32:48.23+00:00
Green Hat 0 Reputation points
commented 2025-08-12T00:04:54.4466667+00:00
Green Hat 0 Reputation points
1 answer One of the answers was accepted by the question author.

Windows 11 hyper-v loss of connection within vm after windows update

I have had problems with loss of network connection from within a number of VMs after performing recent windows 11 preview updates (latest version: 10.0.26200 Build 26200). These problems can mean an inability to login to the machine with the login…

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-10T23:30:48.3066667+00:00
Neil Gallacher 20 Reputation points
commented 2025-08-11T10:06:54.1066667+00:00
Neil Gallacher 20 Reputation points
2 answers

Trouble moving a Windows 7 VM from a Windows 10 to a new Windows 11 host

Hi all, Years ago, I virtualized an old Windows 7 machine using Hyper-V and have been running it on a Windows 10 box. Everything is working well except that host machine is getting old too and in anticipation of its inevitable demise, I had to move the…

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-07T02:29:40.53+00:00
DC Dweller 1 Reputation point
commented 2025-08-09T04:42:44.32+00:00
BryceSor 4,490 Reputation points Volunteer Moderator
1 answer

Problem; the windows 11 iso file is not activated from hyper-v

i have downloaded the iso file and not mounted it. From hyper-v I I connect, and START, then message Press any key to boot from cd or dvd and.. message after some seconds 1.scsi dvd .. the boot loader failed 2.network adapter . A boot image was not…

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-07-15T15:50:04.01+00:00
Maths Bengtsson 0 Reputation points
answered 2025-08-08T08:29:39.38+00:00
HenryMai-3878 6,585 Reputation points Independent Advisor
2 answers

After exporting hyper-v vmcx, vhdx avhdx will not be automatically merged

I use root\virtualization\v2 ExportSystemDefinition, and I have the following settings: exportSettingData["CopySnapshotConfiguration"] = 1; exportSettingData["CopyVmRuntimeInformation"] =…

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-07T03:16:11.6933333+00:00
Tim 0 Reputation points
commented 2025-08-08T03:03:59.7+00:00
HenryMai-3878 6,585 Reputation points Independent Advisor
1 answer

Hyper-V failed to import virtual machine

while importing virtual machine to the new server 2025 i got the error: hyper-v encountered an error during the import operation. server failed to realize.

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-05T21:46:54.98+00:00
Michael Bulanov 0 Reputation points
answered 2025-08-06T06:27:51.1666667+00:00
HenryMai-3878 6,585 Reputation points Independent Advisor
1 answer

How to fix the “Video remoting was disconnected” error in Hyper-V?

Hello everyone, I'm experiencing an issue with my Hyper-V setup and I'm hoping someone might be able to help or share insights. I have a Windows Server Core 2025 machine hosting Hyper-V. It's located on a remote network, which I access from my Windows 10…

Windows for business | Windows Server | Storage high availability | Virtualization and Hyper-V
asked 2025-08-04T12:31:44.1566667+00:00
Francois P 20 Reputation points
answered 2025-08-05T09:07:19.89+00:00
HenryMai-3878 6,585 Reputation points Independent Advisor