Questions tagged [hyper-v]

Microsoft Hyper-V is a hypervisor-based virtualization system for x86-64 systems. Hyper-V exists in two variants: as a stand-alone product called Microsoft Hyper-V Server, and as an installable role in Windows Server 2008 and later. Both variants are able to run in Windows Server Core versions.

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Add-NetNatStaticMapping not port forwarding to local VM

I'm running windows 10 build 1809 and have hyper-v installed. I have a Linux machine running behind a NAT with internet connectivity working on IP 10.0.5.5. I basically followed instructions on the ...
-1 votes
0 answers
25 views

Windows Server Hyper-V host Ubuntu guest network down until restart after incident

I have a Windows Server 2022 host with Hyper-V installed. There are two Generation 2 VM's installed, Ubuntu 20.04 and 22.04 LTS servers. Host machine has a network configuration that looks like this: ...
0 votes
1 answer
31 views

Adding node to Hyper-V Failover Cluster - Take disks online beforehand?

We currently have a 2-node Hyper-V Failover Cluster. The nodes are connected to a SAN. Now we want to add a third node to the Cluster (which is also connected to the SAN). When checking Disk ...
0 votes
0 answers
11 views

Failed to open VM attachment when Hyper-V Node reboots

We run a cluster with Hyper-V. On every reboot, the cluster throws the error Alarm: Failed to open VM attachment Details: Fired by event: 12240 Microsoft-Windows-Hyper-V-VMMS Event description: &...
-1 votes
0 answers
39 views

Traffic not passing through Opnsense firewall in Hyper V

I'm configuring Opnsense in Hyper-V. It is connected to the DMZ on one interface, and the internal network on the other, with internal switches for the VMs. There are VLANs setup and working fine. The ...
6 votes
4 answers
13k views

Cannot console into VMs in Hyper-V

When I attempt to view the console of a VM in Hyper-V, I get the following messages: Video remoting was disconnected and Could not connect to the virtual machine. Try to connect again. If the ...
0 votes
1 answer
4k views

Hyper-V Replication without Domain

I have a hyper-V host in a different DC that I want TWO source servers to replicate to. I have followed guides such as https://michaelfirsov.wordpress.com/hyper-v-replica-in-windows-server-2016-...
0 votes
2 answers
53 views

Is it possible to run Docker on a hypervisor type 1?

Is it possible to run Docker bare metal on a type 1 hypervisor such as VMware and Hyper-V? Docker uses that same kernel as the host. So if the hypervisor is based on linux, does that work? Is there ...
-2 votes
0 answers
18 views

Azure Stack HCI - How to move/migrate VM from one cluster to another cluster using PowerShell?

How do I move or migrate a VM using PowerShell from a node in cluster01 to a node in cluster02? Thank you. screenshot1 screenshot2 screenshot3
4 votes
4 answers
17k views

Accessing physical Host COM port within Hyper-V VM

I have just virtualized a physical machine running Windows XP Pro SP3. The physical machine it was copied from is running a piece of critical software needed for day-day operation and security. This ...
0 votes
0 answers
96 views

Keyboard settings and Hyper-V for a user created account

I have encountered a strange situation when I use Hyper-V with an account that I created myself (that is part of the Administrators group). Specifically, I want to be able to send Function key presses ...
1 vote
4 answers
6k views

RDP won't work on any port but 3389

We have a server 2008 r2 virtual machine that's acting as a public facing RDP terminal (I know I know, that's a whole different fight). I'm trying to set RDP to use any port but 3389, but I get the "...
4 votes
3 answers
12k views

HyperV Edit hard disk is not available because of checkpoints

I am trying to increase the size of my hard drive in a VM. I disabled checkpoints and deleted all existing checkpoints. However, it still will not let me. I also restarted and then shut down the VM ...
8 votes
5 answers
21k views

How to run KVM nested in WSL2 (or vmware)?

I'm trying to follow this tutorial to run KVM nested in WSL 2, but after following the directions through compiling the kernel and loading it, the test kvm-ok reports that KVM is not supported. I've ...
6 votes
3 answers
13k views

INACCESSIBLE_BOOT_DEVICE on Hyper-V 2012 R2 virtual machines

I have a Hyper-V 2012 R2 cluster, 4 Dell PowerEdge R620 servers connected to a Dell PowerVault MD3600F storage array by means of FC connections; it's all pretty straightforward, all servers run ...
3 votes
1 answer
928 views

Video Capture Devices available in RDP (mstsc) but not Virtual Machine Connection (vmconnect)?

I'm trying to pass my webcam through to a Hyper-V VM using Virtual Machine Connection (vmconnect). In the "Local Devices and resources" settings, I do not have the ability to do this: However using ...
0 votes
1 answer
103 views

Hyper-V: The image's hash and certificate are not allowed

When trying to install Fedora 39 on a Hyper-V server I am faced with the error "The image's hash and certificate are not allowed" directly at startup.
-1 votes
1 answer
53 views

How to manage VM guest from Hyper-V Core host?

A dedicated server is running Hyper-V Core with the GUI extensions, and it has a Windows Server VM. I set things up with NAT so that from my laptop I can remote into that VM. I need the capability to ...
-1 votes
1 answer
139 views

My Hyper-V vm doesn't have internet connectivity after installing NordVPN

Like the title says, after I installed nordvpn my VMs don't connect to the internet. I tried disabling NordVPN completely and restarting my machine but the problem still persists. My VM is connected ...
2 votes
2 answers
214 views

Dell ME4084 slow speed with Intel E810 25G in Hyper-V Failover using iSCSI

PLEASE READ 3RD EDIT BELOW I am currently trying to figure out why the following server setup is getting me only slow speeds on SMB copys. The setup is the following: 2x Dell PowerEdge R7525 each ...
4 votes
1 answer
626 views

Can I change the storage location for individual replicated VMs in Hyper-V?

I have 2 Windows servers (2016) one replicates VMs to the other. On the replication server, I have two drives (C & D). Is it possible to change the location of individual VMs that are replicated ...
1 vote
2 answers
14k views

Hyper-V virtual machine unable to get IP address from DHCP server running on same physical box

We have a Windows server 2008 R2 with two network cards running AD, DHCP, DNS and Hyper-V The first nic is setup with a static IP address and DHCP, WDS, and DNS are bound to it. The second nic is ...
4 votes
6 answers
34k views

centos7: boot error dracut-initqueue after converting virtual disk

I installed centos7 on Ubuntu 16.04 KVM with qcow2 disk format. To deploy my centos machine I need it in vhdx disk format to support Microsoft's Hyper-V. I used qemu-image to convert it from qcow2 ...
27 votes
6 answers
35k views

Hyper-V and Hyper-threading: On or off?

With the new Xeon CPUs supporting Hyper-threading, what is the current wisdom with regard to using it (or not) on a Hyper-V host machine? I was originally under the impression that turning it on in a ...
0 votes
2 answers
2k views

Temporarily disable Hyper-V networking components on host

I have a Windows 10 PC running Hyper-V. Everything works well. I've learned that when Hyper-V installs, it sort of "takes over" the networking in that PC. Everything starts going through the ...
-1 votes
1 answer
5k views

How to set static ip address in hyper-v vms windows server 2019

I have Windows server 2019 and multiple application running in IIS. I want to create different network for hyper-v vms with static ip. And i dont need internet access to hyperv vms. How can I ...
1 vote
1 answer
349 views

Managing Orphaned .avhdx Files in Hyper-V with PowerShell

I'm managing a Hyper-V environment and looking to clean up my hard drive to free up space. Specifically, I want to delete orphaned .avhdx files and possibly move some to external storage. I prefer ...
0 votes
0 answers
189 views

Windows Server 2022 Hyper-V VM disk performance

I have some Windows Server 2022 VMs on few Hyper-V 2019 (DELL R720, R730, T430) servers. I'm observing strange performance issues on dynamically expanding VHDX virtual disks. When dynamically ...
0 votes
0 answers
52 views

Booting centos from a VHD in Hyper V

I am working on moving a bootable VHD running CentOS to a new VM. This is on Windows Server 2019 with Hyper-V version 10.0.17763.1. This VHD is working. Here are the steps I have taken: In Hyper-V ...
0 votes
0 answers
162 views

Error while importing Hyper-V VM on windows server 2019 Hyper-V 10.0.17763.1

Hyper-V encountered and error while loading the virtual machine configuration from . Import failed, import task failed to copy file from to The process cannot access the file because it is being ...
1 vote
1 answer
167 views

Get list of VMs NOT enabled for Replication using Powershell?

I want to monitor the Replication status of all VMs on our Hyper-V. All our VMs are replicated. When a replication fails OR the VM is removed from replication, I want to know. I found the following ...
0 votes
0 answers
109 views

Failing to start vmms - Not enough storage space

I'm running Hyper-v on Win Server 2016 and a VM went unresponsive to I went to restart it via Hyper-V management console. It got stuck rebooting so I'm now trying to resolve that, but things are ...
3 votes
1 answer
11k views

Veeam Hyper-V backup error: Microsoft Hyper-V VSS Writer VSS_WS_FAILED_AT_POST_SNAPSHOT

I have an error from a Veeam Hyper-V backup of a Virtual Machine in a Hyper-V host: Unable to create snapshot (Microsoft CSV Shadow Copy Provider) (mode: Veeam application-aware processing). Details: ...
0 votes
0 answers
59 views

Hyper-V Network Address (MAC) crash

Hyper-V - Windows 10 When setting up network interfaces, the MAC address was mistakenly removed from the vEthernet device (Default Switch). When further attempts are made to restore the previous ...
1 vote
1 answer
346 views

An Active Directory Domain Controller (AD DC) for the domain could not be contacted

I have a PC with Windows 11 Home. I use Hyper-V to install 2019 server (Server) and 2 Windows 10 Enterprise virtual machines (VMs). I add two Enterprise VMs on Server as follows. I select MARVEL.local ...
2 votes
1 answer
4k views

hyper-v failed to start worker process: ran out of memory 0x800700E

I have a Windows Server 2016 DataCenter with 0.5TB of RAM (there is a 497GB of RAM currently available) and I have three hyper-v virtual machines there. They have been running perfectly until we added ...
1 vote
2 answers
511 views

Can I use one NIC team for the host and the VMs? Or do I need a separate NIC and a team for the VMs?

I'm a newbie here. I have a Windows 2019 server with two 10G fiber lines. I created a NIC team for the host with LACP / Dynamic mode. Can I use this team for both the host and Hyper-v VMs? Or do I ...
0 votes
0 answers
95 views

Hyper-v Port mirroring

I have traffic flows from switch to physical port on a server in which should mirror the traffic to a virtual switch which is connected to a sensor. I have tried the following links but the vSwitch ...
-2 votes
1 answer
193 views

Options for having high-performance Windows machines available for employees via Remote Desktop/VNC

We have a group of engineers who each have their own laptops but there is a need for access to high performance desktops, either for more memory or not wanting to grind down their laptops during long ...
1 vote
0 answers
141 views

DHCP and DNS on a custom internal vSwitch?

In Win 11 I've configured in Hyper-V a custom internal vSwitch with NAT as follows: New-VMSwitch -SwitchName 'VM NAT switch' -SwitchType Internal New-NetIPAddress -IPAddress '192.168.2.1' -...
0 votes
3 answers
671 views

Enable connection from Hyper-V guest to Windows Server 2022 host

I have a Windows Server 2022 that has a VM running on Hyper-V. the VM is an Ubuntu Linux machine. I can ping all computers on the local network. as well as access Internet. But I cant seem to be able ...
0 votes
0 answers
1k views

Event ID 1207 in Cluster Events Log once an hour

I have a two node, hyper-v failover cluster running windows server 2022. I'm getting this error every hour in the cluster events log, event id 1207: "The computer object associated with the ...
0 votes
1 answer
141 views

New Added Local Administrator cannot access drive and not able to access drive

I've only been with this company for a month as system administrator, the servers was not install by me, a file server - member of a domain I found some curious setting and errors need to help !!! The ...
0 votes
0 answers
229 views

Storage Replica Configuration Failure (error code 0x8009030e)

I`m not able to establish a storage replica between 2 windows servers 2016. #The script I used $SR = @{ SourceComputerName = 'Server-1' SourceRGName = 'RG-1' SourceVolumeName = "A:" ...
2 votes
0 answers
108 views

Slow access to files on network drive from Hyper-V guest

Windows Server 2022 with Hyper-V on Dell PowerEdge R550. On Hyper-v there is a Windows Server 2016 guest which is an Active Directory Domain Controller. Accessing a file from Windows Server 2016 is ...
0 votes
0 answers
72 views

Does Azure Stack HCI allow creation and management of Private VLAN (PVLAN)?

My customer is looking at deploying Azure Stack HCI. The network infrastructure I am responsible for designing will be based around Aruba CX10000 switches which have embedded Pensando module that will ...
0 votes
1 answer
1k views

How to change Hyper-V VM network settings via WMI?

I am not sure where to post this question whether at programmers.stackoverflow.com or here. So please forgive this if i am at the wrong place. My question is: How to set Subnet Mask , DNS address and ...
5 votes
2 answers
264 views

Am I doing this wrong? Networking - High Availability: SAN, MSFT Failover Cluster, NIC Teaming

I have been working in a lab environment to figure out how to design a SAN with a Microsoft failover cluster using multiple NICs, MPIO and iSCSI. I'll try to add as much useful information as I can, ...
0 votes
1 answer
274 views

Missing binaries hv_get_dhcp_info and hv_get_dns_info

I have a Debian 11 system fairly recently installed and I see a lot of these messages in the log: hv_kvp_daemon[1312301]: sh: 1: /usr/libexec/hypervkvpd/hv_get_dns_info: not found hv_kvp_daemon[...
1 vote
0 answers
122 views

Different size of disk in disk management and my computer, after extend in Hyper-V

I have a problem after live extend disk from Hyper-V on running machine. I normally increase the disk size from Hyper-V (300GB->1.3TB), then on system using disk management for extend. In this case,...

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