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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Hyper-V Machine drifts time all over, even with NTP

Resolved The problem was Hyper-V on that machine. I removed Hyper-V, installed VMware Server, ran the same VM. Time sync issues went away (< 100ms difference after a day). My setup is like this: ...
MichaelGG's user avatar
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Hyperv-V creates mystery .avhdx files and fills up disk space

I have windows server 2016. Also i have Hyper-V role on my server. Every day in 5:36 i have error, that disk full and my virtual machine is stopping. In Hyper-V logs: ProviderName: Microsoft-...
Piduna's user avatar
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4 answers
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USB access from guest in Hyper-V

Can a Hyper-V guest operating system access a USB device connected to the Hyper-V host? If so, how can I set this up?
t123's user avatar
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1 answer
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Can a Windows 7 PC remotely manage Hyper-V on a Server 2012R2

I have a Windows 7 (W7 Pro, SP1, up to date) desktop, and a Windows Server 2012R2 server, running the Hyper-V role with a number of VMs. I've gone through with HVRemote and set everything up on both ...
Fake Name's user avatar
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10 votes
2 answers
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How to share the clipboard between Windows Server 2008R2 and a guest running Ubuntu 12.04? [closed]

I use Windows Server 2008 R2 with Hyper-V and a guest running Ubuntu 12.04 LTS. How can I share the clipboard between Windows Server 2008R2 and a guest running Ubuntu 12.04? UPDATE What protocols ...
novicegis's user avatar
  • 233
10 votes
4 answers
52k views

Hyper-V connect to local computer throws an error - virtual machine management service

I am using Windows 10 professional, connected to office domain network. I just enabled Hyper-V program with other related features in Windows Features. Hyper V and related program in Windows feature ...
hunterex's user avatar
  • 249
10 votes
2 answers
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“The name limit for the local computer network adapter card was exceeded” error message

Let me start out by stating that I have already searched many sources for information or a resolution, but I have been unable to find a permanent solution. Problem: Randomly, for what appears to be ...
yodabit's user avatar
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9 votes
3 answers
82k views

Guest OS install from Physical CD/DVD Hyper-v 2012 R2

I have been looking around if it's possible to install a Guest OS on Hyper-V 2012 R2 Using the physical CD/DVD drive. The only ways i see to install guest OS is by mounting an ISO. Is hyper-v able to ...
웃mauri's user avatar
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9 votes
2 answers
22k views

Why does increasing "Number of logical processors" for a Hyper-V hosted VM increase that VM's performance?

To my understanding, virtual machines (assuming Relative Weight is equal) get an equal share of the processor. When the VM is given some processing time, it shouldn't matter if the VM is seeing a ...
Blackjack00's user avatar
9 votes
4 answers
212 views

How to minimise storage consumption?

I have a network with Live, User Acceptance, staging and development servers (In this case windows mainly 2012r2, all Hyper-V guests). Each of these parts of the network has a frontend and backend ...
Drifter104's user avatar
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Updating Hyper-V Server 2012 (free version)

I am setting up a cluster of Hyper-V Server 2012 machines. I've got remote access to the machines via windows 8 and the various remote management consoles. I can't seem to figure out how to run '...
Ape-inago's user avatar
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5 answers
20k views

What are the possible reasons why Hyper-V can't compact a VHD?

I am hosting several virtual machines on a host running Hyper-V Server 2008 R2. The disks were originally provisioned on a different server (2008, not R2) about 16 months ago, and were migrated onto ...
Nic's user avatar
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2 answers
12k views

Error 0x80070005: Access Denied when first start Hyper-V in Windows 10 Pro

I'm trying to run Hyper-V on a freshly installed Windows 10 Pro (1709) on AMD FX 6350, 8 GB RAM. Hyper-V Virtual Machine Management (vmms) starts properly but Hyper-V Host Compute Service (vmcompute) ...
Vladimir Martsul's user avatar
9 votes
1 answer
29k views

Unidentified Network for HyperV Internal Switch

I am trying to setup a HyperV internal switch for the guest OS on a Windows Server 2012 host. After creating the new Internal Switch through Virtual Switch Manager, I can see the virtual adapter under ...
Partho's user avatar
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8 votes
2 answers
6k views

Virtualized firewall under Hyper-V?

We are currently considering installing an instance of pfSense on our Hyper-V R2 based server to act as a content filter, captive portal and general firewall. Although it is usually bad practice to ...
Daniel Upton's user avatar
8 votes
3 answers
23k views

CentOS 7 and Hyper-V

I'm trying to install CentOS 7 using Hyper-V and it's failing with the following error message: tsc: Fast TSC calibration failed PCI: Fatal: No config space access function found i8042: No controller ...
gtirloni's user avatar
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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 ...
Dax Fohl's user avatar
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1 answer
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Windows Server Datacenter Edition - Unlimited Virtual Machines [duplicate]

Need some clarification on the following. Datacenter Edition description lists: Can be used as virtualization guest: Yes, unlimited virtual machines, plus one Hyper-V host per license https://...
AlexVPerl's user avatar
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4 answers
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Any technical reason to install "real" windows to run a hyper-v only server?

Please ignore licensing questions here. Is there any technical reason not to "only" use Hyper-V Server (the free version) to run a Hyper-V cluster? From a pure feature comparison it looks like the ...
TomTom's user avatar
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SMB file server on multiple network cards

We received two servers with hyper-V 2012R2 free for our project this week, and we need to create an SMB failover. I'm not familiar with multiple network card setups, as we had our previous servers ...
Tackled Archon's user avatar
8 votes
3 answers
3k views

Can Hyper-V run in a virtual machine?

Ok, we all know (or should know) that Microsoft's answer is a plain "NO!". But we also know that recent hypervisors can support nested/recursive virtualization, provided the underlying CPU offers ...
Massimo's user avatar
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Send trunk directly to vm in HyperV 2012

I'm setting up OpenBSD as a VM in HyperV 2012. It would be easier for me to just create one interface on the vm and have OpenBSD take care of setting up the vlans. Is it possible to tell HyperV to ...
Guillaume Filion's user avatar
8 votes
1 answer
11k views

Command line backup of running Hyper-V images using Volume Shadow Copies (VSS) and Diskshadow.exe

I need to backup running Hyper-V virtual machines with minimal downtime via a command prompt. Backups should be stored on another local disk or remote share.
Doug Luxem's user avatar
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8 votes
2 answers
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Moving Hyper-V virtual disk to SMB share gives file not found error in the end

I want to move some virtual disks to from an old ISCSI disk (old NAS) to a new SMB share but for every disk it gives a file not found error in the end and gives the location of the disk on the SMB ...
aardbol's user avatar
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8 votes
4 answers
27k views

Only getting 100 Mbit in Hyper V Guest from 1 Gigabit network connection

I have a HP Proliant ML350 G6 with two integrated Broadcom NetXTreme Gigabit Ethernet ports running Windows server 2016, updated as of today. If I share a folder on my hyper v host I can add and ...
JensB's user avatar
  • 259
8 votes
2 answers
21k views

Export VM from Hyper-v as OVF

Using Windows Server 2008 R2 and Hyper-V. I'm migrating all our VMs from Hyper-V to VMWare, and in order to facilitate this I've been asked by our IT support to provide them with the VM in .ovf ...
TheOrdinaryGeek's user avatar
8 votes
3 answers
21k views

Convert Virtualbox image to Hyper-V

Is it possible to convert a Virtualbox image to Hyper-V? Preferably without having to startup the virtualbox image.
Shiraz Bhaiji's user avatar
8 votes
1 answer
6k views

Why the performance decrease for an SSD when using Hyper-V?

I've just installed my new M4 256GB on a Windows Server 2008 R2 Hyper-V server. On the host system using Crystal Disk Mark I've got 212 Mb/s as 4k QD32 write performance, but when I create a VHD disk ...
simone manneschi's user avatar
8 votes
2 answers
2k views

Virtualized pfSense 2.0.1 affecting Hyper-V host connectivity? arp?

The Setup I have setup pfSense 2.0.1 (64bit-amd image) as a host in Hyper-V. As described in other blogs I had to do the “ifconfig down deX”, “ifconfig up deX” to get the network up and running. The ...
Jon Martinsson's user avatar
7 votes
1 answer
56k views

How do I remotely manage Hyper-V 2016 standalone via Windows 10?

How do I connect to my Hyper-V 2016 standalone via my Windows 10 laptop? Background: I'm setting this up as a home lab. I've followed a few guides, but I have not yet found a guide/Youtube tutorial ...
montooner's user avatar
  • 421
7 votes
6 answers
10k views

Is Hyper-V Server 2008 working on Intel's Atom platform

Did anybody try to install Hyper-V on Intel Atom platform? Hyper-V requires: x64 compatible processor with Intel VT or AMD-V technology enabled Hardware Data Execution Prevention (DEP) It seems ...
Josip Medved's user avatar
  • 1,754
7 votes
2 answers
6k views

Why does the Task Manager does not show any activity from Hyper-V?

I've installed a Hyper-V role onto my Windows 2008 R2 Server. I have a bunch of VMs cranking at full speed, but the Task Manager on the host doesn't show any CPU activity from the VMs. This kind of ...
AngryHacker's user avatar
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7 votes
5 answers
4k views

Should I use Hyper-V for a Basic Windows Server 2016 File Server?

I'm setting up a new file server with Windows Server 2016 on a machine with 16 GB RAM and ~20 TB of disk. The server is going to be handling files for 15 people, mainly large files used by graphic ...
Kai Howells's user avatar
7 votes
3 answers
618 views

Is dedicated one NIC to a virtualized DC overkill?

Host Server: Dual Xeon E5530's 24 GB Ram 4x 1GB NIC's (operating at 100MB because of 100MB maanged switch) Server 2008 R2 Enterprise with Hyper-V Role + BackupExec 2012 backing up to NAS connected ...
FullTimeCoderPartTimeSysAdmin's user avatar
7 votes
10 answers
1k views

Does running one Virtual Machine on a HYPER-V box make sense?

I am considering running HyperV for all my servers, because backup and disaster recovery plans are easier, when I can move the images around to any hardware and not have to worry about drivers. ...
Jason's user avatar
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7 votes
3 answers
1k views

Clustering and/or Hyper-V replica?

We currently have one big Dell server T610 physically hosting 4 Hyper-V VMs all Win2008R2. Running smoothly for years. We now need to purchase a new Dell server since Dell won't renew the existing ...
Mr. Raspberry's user avatar
7 votes
3 answers
10k views

How to convert a Win2003 server to a Hyper-V Virtual Machine?

What is the easiest way to convert a Win2003 server to a Hyper-V Virtual machine? Ideally, I'd like to use a backup tool to create an image across the network. What is the best way to do this?
Jason's user avatar
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7 votes
1 answer
5k views

Mysterious memory usage in Linux

We have some 64 bits Linux boxes (RHEL6) running on Microsoft Windows 2012 Server (Hypervisor) with the same problem. Those Linux guest servers are running in MS Windows Cloud (Hyper-V) with 16 hosts ...
jorgernan's user avatar
  • 108
7 votes
2 answers
6k views

Windows Server virtual disk cache settings

In Windows under Azure or Hyper-V, the Disk Policy write cache settings for a virtual disk will always appear to be enabled from the server configuration, regardless of the actual status of write ...
wst's user avatar
  • 171
7 votes
4 answers
14k views

Two-Node Server 2012 R2 Hyper-V Cluster: Is it possible use local physical disks in the cluster?

Looking at the following Clustered Shared Spaces TechNet article, and it looks like this only applies to hosts sharing a JBOD enclosure by way of external SAS backplane. However, each host in the two-...
gravyface's user avatar
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7 votes
1 answer
10k views

Disk2VHD and Hyper-V

I want to virtualize a physical machine and I used Disk2Vhd to convert the Hard drive to a .vhd file. My issue is that when I attach this vhd in Hyper-V, and try to install "Integration Services", ...
user67714's user avatar
  • 357
7 votes
5 answers
13k views

Completely disable Date and Time sync in a Hyper-V VM

No matter what, a Hyper-V virtual machine keeps finding ways to sync time with the host. I have: Disabled the time synchronization service Disabled Windows time synchronization on the guest machine ...
resle's user avatar
  • 199
7 votes
3 answers
2k views

What are the advantages of using Hyper-V's synthetic drivers?

We are moving our virtualization platform from Citrix's XenServer to Hyper-V on Windows Server 2008 R2. As part of this project I need to migrate, in one form or another, some Debian Linux servers ...
user avatar
7 votes
2 answers
18k views

Hyper-V: Unable To Start a VM From ISO File

Recently I needed to create a new VM, and this VM needed to start from ISO file. When I mounted an ISO file and tried to boot, I’ve seen the following error: Synthetic SCSI Controller (Instance ID ...
HighClouder's user avatar
7 votes
5 answers
3k views

Hyper-V Cluster with failover - NETWORKING

We are looking to setup a 3 node Hyper-V cluster with live migration and failover using: 3 x Dell R710's with dual quad core Xeon & 128 GB RAM & 6 NICs in each 1 x Dell MD 3220i SAN We will ...
Adam Chetnik's user avatar
7 votes
6 answers
6k views

Is it possible to cause artificial network packet loss or latency?

I'm trying to reproduce some issues on a deployed application where the MSSQL server and client are running in two separate machines. I think there may be network issues between the two machines, so I'...
Nick Bolton's user avatar
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7 votes
5 answers
40k views

Windows remote desktop service running, but not listening on port 3389

I just downloaded and installed Hyper-V Server 2019 from Microsoft Evaluation Center (version: 1809/10.0.17763.1). Now I'm not able to connect to this machine (which I named hypervserver) using remote ...
mxscho's user avatar
  • 692
7 votes
2 answers
9k views

Number of logical processors per VM?

I have a server (quad core) running Windows Hyper-V Server 2008 R2 with two Windows Server 208 R2 Standard guest virtual machines. I've noticed the number of logical processors setting (under the ...
Noldorin's user avatar
  • 177
7 votes
2 answers
320 views

Limiting the amount of guests on a Hyper-V host

Is anyone aware of a way to limit the number of hosts allowed on single Hyper-V host? Either by quantity or resource usage? We are planning on using SCVMM and MS Lab Manager for a development lab ...
Sam Cogan's user avatar
  • 39k
7 votes
3 answers
32k views

How to specify user permissions for managing a Hyper-V machine on a LOCAL host?

I have UserA. Working on ComputerA. I have setup a Virtual Machine on ComputerA under Hyper-V called ComputerA-VM. ComputerA runs Windows 10 Pro. ComputerA is part of domain.com managed by a ...
Daniel's user avatar
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