168 questions with Windows Server High availability Virtualization and Hyper-V tags

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iSCSI Hyper-V 2019 Host - Auto Configure (not finding any devices)

Hello, I am currently having issues with 'Auto configuration' in the iSCSI Initiator on a Hyper-V 2019 Host, the iSCSI is connected successfully and I've added my targets however Auto configuration does nothing. notes: Hyper VM 2019 Server Host no…

Windows Server High availability Virtualization and Hyper-V
asked 2024-09-13T02:45:16+00:00
Anonymous
1 answer

facing issue in hyper v manager to manage the server and their cummunication.

I have 2 physical server PowerEdge r450 and i installed window server 2022 core and install hyper v manager on window 11 to manage them. I am facing issue: 1: Cannot add the fibre channel 2: want to communication with 2server how can i do that. 3: how…

Windows Server High availability Virtualization and Hyper-V
asked 2025-02-23T08:22:28.4066667+00:00
m sami 0 Reputation points
edited an answer 2025-02-26T05:38:24.9533333+00:00
Ian Xue-MSFT 40,266 Reputation points Microsoft External Staff
1 answer

Hyper-V 2019 Supported Guest Operating Systems

Hello. Does Hyper-V on Windows Server 2019 support installation and running a Windows Server 2025 VM? For some reason, my VM is not booting using Server 2025 ISO. Thank you in advance! Best regards Igor Goncharenko

Windows Server High availability Virtualization and Hyper-V
asked 2025-02-24T11:56:16+00:00
Anonymous
answered 2025-02-25T03:54:38+00:00
Anonymous
3 answers One of the answers was accepted by the question author.

New-IscsiServerTarget : Unable to connect to the computer

I am trying to create an iSCSI Target Server in Windows Server 2025 Core (no GUI) which in running as a VM on Hyper-V. My VM has 10 disks attached which I will further want to use as target disks. But I am stuck at this step PS…

Windows Server High availability Virtualization and Hyper-V
asked 2025-02-23T00:42:10+00:00
Anonymous
answered 2025-02-24T07:37:16+00:00
Anonymous
1 answer

Increase the size of user profile disk in my remote desktop server

Hi all experts. I have a server for remote desktop services purposes, Windows 2016 standard, and domain joined. It is configured using User Profile Disk, and the maximum limit is set to 5GB. I want to increase the maximum limit but I can't do it under…

Windows Server High availability Virtualization and Hyper-V
asked 2025-02-19T02:56:13+00:00
Anonymous
answered 2025-02-20T05:57:41+00:00
Anonymous
2 answers

Migration from ESXi 8 to Hyper-V

Hi All, I have a 2node ESXi cluster with a Dell storage over iSCSI.Due to Broadcom I'd like to move to Hyper-V. I only purchased the servers and the SAN in 2022 so I don't want to replace this but I wondering how I can do the migration. I was thinking…

Windows Server High availability Virtualization and Hyper-V
asked 2025-02-09T09:47:47+00:00
Anonymous
answered 2025-02-10T07:48:37+00:00
Anonymous
1 answer

Hyper-V VM / Google Drive syncing issue

Hi everyone, I have a server running **Windows Server 2022**, named **"DATA SERVER"**. This server has two drives: **C and D**. What I Did: **Enabled Hyper-V** and created a virtual machine (VM) called **"DATA VM"**. Used…

Windows Server High availability Virtualization and Hyper-V
asked 2025-02-04T11:46:05+00:00
Anonymous
answered 2025-02-05T07:51:12+00:00
Anonymous
1 answer

Understanding HighMemoryMappedIoSpace Allocation in Hyper-V with NVIDIA GPUs Using DDA

Hi Everyone, I'm currently managing a Hyper-V environment and I am using the NVIDIA GPUs with Hyper-V VM using the Discrete Device Assignment (DDA) method. I need some guidance on a memory allocation issue I've encountered. Specifically, I'm trying to…

Windows Server High availability Virtualization and Hyper-V
asked 2025-01-29T19:52:23+00:00
Anonymous
answered 2025-01-30T13:24:36+00:00
Anonymous
1 answer

How to migrate virtual machine from Nutanix to Microsoft Hyper-V?

We are transitioning from a Nutanix HCI environment to Dell PowerEdge servers, specifically targeting Hyper-V as our hypervisor. Our primary challenge is migrating existing Virtual Machines from Nutanix to Hyper-V. Nutanix Move lacks support for…

Windows Server High availability Virtualization and Hyper-V
asked 2025-01-28T06:48:33+00:00
Anonymous
answered 2025-01-29T08:58:36+00:00
Anonymous
2 answers

Upgrading VM configuration makes live migrations fail

Hi, we have two different Failover Clusters of HyperV with slightly different hardware. Both clusters are running Windows Server 2022. Cluster A has an Intel Xeon E5-2690 v4 as the CPU and Cluster B has Intel Xeon Gold 6148 as the CPU. Now when I tried…

Windows Server High availability Virtualization and Hyper-V
asked 2025-01-23T08:55:58+00:00
Anonymous
answered 2025-01-24T03:46:00+00:00
Anonymous
1 answer

Unable to create checkpoint for the hyper-v machine

Unable to create checkpoint for the hyper-v machine. Screenshot of the error message is in the link below: https://ibb.co/DC7NjC1

Windows Server High availability Virtualization and Hyper-V
asked 2025-01-15T07:21:35+00:00
Anonymous
answered 2025-01-15T08:13:14+00:00
Anonymous
4 answers

An error occured while attempting to connect to server "XXXX", Check the Virtual machine Management service is running and that you are authorized to connect to the server

Hi All Suddenly after the reboot of the HyperV, I am unable to open the HyperV Manager and having cluster issues. Please find below error: An error occured while attempting to connect to server "XXXX", Check the Virtual machine Management…

Windows Server High availability Virtualization and Hyper-V
asked 2023-10-27T15:10:46+00:00
Anonymous
answered 2025-01-10T22:28:50+00:00
Anonymous
1 answer

WIndows Server 2022 Partition Lost - ReFS to Raw

Hello, after leaving site for a few days, my main share partition is now RAW, where it was Refs 3.7 and was functioning well except dedupe never ran. I checked updates but it was just ones pending download, so I sort of ruled that out a bit from other…

Windows Server High availability Virtualization and Hyper-V
asked 2025-01-03T06:56:37+00:00
Anonymous
answered 2025-01-06T06:55:57+00:00
Anonymous
1 answer

Does Credential Guard conflict with antivirus programs?

Credential Guard is enabled by default in Windows Server 2025. Does this feature conflict with antivirus programs? How does it operate, and are there any known compatibility issues? Also, what is the compatibility of Credential Guard with Hyper-V…

Windows Server High availability Virtualization and Hyper-V
asked 2024-12-27T06:02:39+00:00
Anonymous
answered 2024-12-30T06:02:50+00:00
Anonymous
3 answers One of the answers was accepted by the question author.

NVIDIA L4 GPU Not Detected in Guest Hyper-V VM After DDA

Environment Details: Host Machine: OS: Windows Server 2022 GPU: NVIDIA L4 x 3 CPU: Intel Xeon Gold 6542Y (with VT-d enabled) IOMMU and SR-IOV: Enabled in BIOS Virtual Machine (VM): OS: Linux ( Debian 12) Hyper-V DDA Configurations completing…

Windows Server High availability Virtualization and Hyper-V
asked 2024-12-26T17:47:44+00:00
Anonymous
answered 2024-12-27T06:14:41+00:00
Anonymous
1 answer

Service account unable to execute powershell commands (Get-Cluster)

We have created service account in active directory. The user is assigned to administrator, Hyper-v administrator group. Also under the failover cluster settings the service account is assigned full permissions. But when we logged into the user and try…

Windows Server High availability Virtualization and Hyper-V
asked 2024-12-24T13:32:58+00:00
Anonymous
answered 2024-12-25T01:45:41+00:00
Anonymous
2 answers

Backup file are corrupted in Windows server

I use a backup application that uses the Windows Volume Shadow Copy feature to create snapshots and read files from the snapshots, and found that there are a lot files were corrupted in many snapshots. And I found that have been fixed in some version…

Windows Server High availability Virtualization and Hyper-V
asked 2024-12-16T06:45:29+00:00
Anonymous
answered 2024-12-17T02:46:43+00:00
Anonymous
1 answer

VM has created a duplicate vhdx ending copyforscan.vhdx.

Hi, This is something I've never came across before. I have a Windows Server 2019 VM with 2 hard drives. The system drive has duplicated with the name ending copyforscan.vhdx. I've no idea why or how to remove it. Is it safe to just delete it? I've…

Windows Server High availability Virtualization and Hyper-V
asked 2024-12-16T10:27:53+00:00
Anonymous
answered 2024-12-17T02:16:01+00:00
Anonymous
1 answer

Failover Cluster Recovery Steps

Hi there, I recently had a power failure that took out my home lab which has 3x Hyper-V servers that are poart of a Failover Cluster with one external File Share Witness Due to my DCs being virtualised and, I was unable to start the cluster normally as…

Windows Server High availability Virtualization and Hyper-V
asked 2024-12-14T18:00:42+00:00
Anonymous
answered 2024-12-15T00:17:38+00:00
Anonymous
2 answers

VSS Service

Hello, Valume shadow Copy or VSS services of our windows server 2019 configured in Automatic. but more than 3 and 4 times per day they stops and it take alot of to start again. how can i reduce this time and which solution help me that service start…

Windows Server High availability Virtualization and Hyper-V
asked 2024-12-12T10:44:59+00:00
Anonymous
answered 2024-12-13T10:16:10+00:00
Anonymous